161457602886 has 32 divisors (see below), whose sum is σ = 358875601920. Its totient is φ = 53807061672.

The previous prime is 161457602857. The next prime is 161457602927. The reversal of 161457602886 is 688206754161.

161457602886 is a `hidden beast` number, since 1 + 61 + 4 + 576 + 0 + 2 + 8 + 8 + 6 = 666.

161457602886 is digitally balanced in base 2, 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 (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93970 + ... + 575973.

It is an arithmetic number, because the mean of its divisors is an integer number (11214862560).

Almost surely, 2^161457602886 is an apocalyptic number.

161457602886 is an abundant number, since it is smaller than the sum of its proper divisors (197417999034).

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

161457602886 is a wasteful number, since it uses less digits than its factorization.

161457602886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674417 (or 674411 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 161457602886 in words is "one hundred sixty-one billion, four hundred fifty-seven million, six hundred two thousand, eight hundred eighty-six".