60161255808 has 32 divisors (see below), whose sum is σ = 159803336760. Its totient is φ = 20053751808.

The previous prime is 60161255767. The next prime is 60161255809. The reversal of 60161255808 is 80855216106.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×60161255808² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60161255808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60161255809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78334585 + ... + 78335352.

Almost surely, 2^60161255808 is an apocalyptic number.

It is an amenable number.

60161255808 is an abundant number, since it is smaller than the sum of its proper divisors (99642080952).

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

60161255808 is a wasteful number, since it uses less digits than its factorization.

60161255808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156669954 (or 156669942 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 60161255808 in words is "sixty billion, one hundred sixty-one million, two hundred fifty-five thousand, eight hundred eight".