260161629156 has 216 divisors, whose sum is σ = 817736905440. Its totient is φ = 68942016000.

The previous prime is 260161628999. The next prime is 260161629187. The reversal of 260161629156 is 651926161062.

260161629156 is a `hidden beast` number, since 2 + 6 + 0 + 1 + 6 + 1 + 629 + 15 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1169256 + ... + 1373856.

Almost surely, 2^260161629156 is an apocalyptic number.

260161629156 is a gapful number since it is divisible by the number (26) 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 260161629156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408868452720).

260161629156 is an abundant number, since it is smaller than the sum of its proper divisors (557575276284).

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

260161629156 is a wasteful number, since it uses less digits than its factorization.

260161629156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204667 (or 204649 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 260161629156 in words is "two hundred sixty billion, one hundred sixty-one million, six hundred twenty-nine thousand, one hundred fifty-six".