61342147638352 has 120 divisors (see below), whose sum is σ = 143130460492800. Its totient is φ = 25363701151488.

The previous prime is 61342147638349. The next prime is 61342147638361. The reversal of 61342147638352 is 25383674124316.

It is a junction number, because it is equal to n+sod(n) for n = 61342147638293 and 61342147638302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28966033 + ... + 31011535.

It is an arithmetic number, because the mean of its divisors is an integer number (1192753837440).

Almost surely, 2^{61342147638352} 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 61342147638352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71565230246400).

61342147638352 is an abundant number, since it is smaller than the sum of its proper divisors (81788312854448).

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

61342147638352 is a wasteful number, since it uses less digits than its factorization.

61342147638352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046873 (or 2046860 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 55.

The spelling of 61342147638352 in words is "sixty-one trillion, three hundred forty-two billion, one hundred forty-seven million, six hundred thirty-eight thousand, three hundred fifty-two".