61386800160 has 576 divisors, whose sum is σ = 236295843840. Its totient is φ = 13339146240.

The previous prime is 61386800141. The next prime is 61386800221. The reversal of 61386800160 is 6100868316.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43017367 + ... + 43018793.

It is an arithmetic number, because the mean of its divisors is an integer number (410235840).

Almost surely, 2^61386800160 is an apocalyptic number.

61386800160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61386800160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118147921920).

61386800160 is an abundant number, since it is smaller than the sum of its proper divisors (174909043680).

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

61386800160 is a wasteful number, since it uses less digits than its factorization.

61386800160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 61386800160 in words is "sixty-one billion, three hundred eighty-six million, eight hundred thousand, one hundred sixty".