90165153467557 has 8 divisors (see below), whose sum is σ = 103046067847232. Its totient is φ = 77284283630400.

The previous prime is 90165153467527. The next prime is 90165153467647. The reversal of 90165153467557 is 75576435156109.

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

It is not a de Polignac number, because 90165153467557 - 2¹¹ = 90165153465509 is a prime.

It is a super-2 number, since 2×90165153467557² (a number of 29 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 (90165153467507) 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, 6679044 + ... + 14997997.

It is an arithmetic number, because the mean of its divisors is an integer number (12880758480904).

Almost surely, 2^{90165153467557} is an apocalyptic number.

It is an amenable number.

90165153467557 is a deficient number, since it is larger than the sum of its proper divisors (12880914379675).

90165153467557 is a wasteful number, since it uses less digits than its factorization.

90165153467557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22271259.

The product of its (nonzero) digits is 119070000, while the sum is 64.

The spelling of 90165153467557 in words is "ninety trillion, one hundred sixty-five billion, one hundred fifty-three million, four hundred sixty-seven thousand, five hundred fifty-seven".