16161110156597 has 8 divisors (see below), whose sum is σ = 18471254188416. Its totient is φ = 13851319627152.

The previous prime is 16161110156533. The next prime is 16161110156603. The reversal of 16161110156597 is 79565101116161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16161110156597 - 2⁶ = 16161110156533 is a prime.

It is a super-2 number, since 2×16161110156597² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161110156507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88277618 + ... + 88460499.

It is an arithmetic number, because the mean of its divisors is an integer number (2308906773552).

Almost surely, 2^{16161110156597} is an apocalyptic number.

It is an amenable number.

16161110156597 is a deficient number, since it is larger than the sum of its proper divisors (2310144031819).

16161110156597 is a wasteful number, since it uses less digits than its factorization.

16161110156597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176751187.

The product of its (nonzero) digits is 340200, while the sum is 50.

The spelling of 16161110156597 in words is "sixteen trillion, one hundred sixty-one billion, one hundred ten million, one hundred fifty-six thousand, five hundred ninety-seven".