90116656524169 has 16 divisors (see below), whose sum is σ = 101814857680896. Its totient is φ = 79051852205200.

The previous prime is 90116656524157. The next prime is 90116656524199. The reversal of 90116656524169 is 96142565661109.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90116656524169 is a prime.

It is a super-2 number, since 2×90116656524169² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90116656524199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227476527 + ... + 1227549940.

It is an arithmetic number, because the mean of its divisors is an integer number (6363428605056).

Almost surely, 2^{90116656524169} is an apocalyptic number.

It is an amenable number.

90116656524169 is a deficient number, since it is larger than the sum of its proper divisors (11698201156727).

90116656524169 is a wasteful number, since it uses less digits than its factorization.

90116656524169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455026596.

The product of its (nonzero) digits is 20995200, while the sum is 61.

The spelling of 90116656524169 in words is "ninety trillion, one hundred sixteen billion, six hundred fifty-six million, five hundred twenty-four thousand, one hundred sixty-nine".