161025988088 has 32 divisors (see below), whose sum is σ = 345091592160. Its totient is φ = 69003957120.

The previous prime is 161025988063. The next prime is 161025988111. The reversal of 161025988088 is 880889520161.

It is a happy number.

161025988088 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412070 + ... + 701322.

It is an arithmetic number, because the mean of its divisors is an integer number (10784112255).

Almost surely, 2^161025988088 is an apocalyptic number.

It is an amenable number.

161025988088 is an abundant number, since it is smaller than the sum of its proper divisors (184065604072).

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

161025988088 is a wasteful number, since it uses less digits than its factorization.

161025988088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299207 (or 299203 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 56.

The spelling of 161025988088 in words is "one hundred sixty-one billion, twenty-five million, nine hundred eighty-eight thousand, eighty-eight".