161752407032 has 16 divisors (see below), whose sum is σ = 313743893400. Its totient is φ = 78087368800.

The previous prime is 161752407029. The next prime is 161752407043. The reversal of 161752407032 is 230704257161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348604094 + ... + 348604557.

Almost surely, 2^161752407032 is an apocalyptic number.

It is an amenable number.

161752407032 is a deficient number, since it is larger than the sum of its proper divisors (151991486368).

161752407032 is a wasteful number, since it uses less digits than its factorization.

161752407032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697208686 (or 697208682 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 161752407032 in words is "one hundred sixty-one billion, seven hundred fifty-two million, four hundred seven thousand, thirty-two".