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60161966623840 = 2554382918475711
BaseRepresentation
bin11011010110111100011001…
…01001100100110001100000
321220000102112220011111201011
431223132030221210301200
530341143201423430330
6331542005333150304
715446362421504014
oct1553361451446140
9256012486144634
1060161966623840
1118195601815924
1268b7960a8b394
1327753313a7853
1410bdbd74d8544
156e4e3e00d82a
hex36b78ca64c60

60161966623840 has 192 divisors, whose sum is σ = 145717843138560. Its totient is φ = 23459967498240.

The previous prime is 60161966623807. The next prime is 60161966623841. The reversal of 60161966623840 is 4832666916106.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60161966623841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10534398585 + ... + 10534404295.

It is an arithmetic number, because the mean of its divisors is an integer number (758947099680).

Almost surely, 260161966623840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60161966623840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72858921569280).

60161966623840 is an abundant number, since it is smaller than the sum of its proper divisors (85555876514720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60161966623840 is a wasteful number, since it uses less digits than its factorization.

60161966623840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445 (or 8437 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 60161966623840 in words is "sixty trillion, one hundred sixty-one billion, nine hundred sixty-six million, six hundred twenty-three thousand, eight hundred forty".