90614165531 has 2 divisors, whose sum is σ = 90614165532. Its totient is φ = 90614165530.

The previous prime is 90614165519. The next prime is 90614165549. The reversal of 90614165531 is 13556141609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90614165531 - 2¹⁴ = 90614149147 is a prime.

It is a super-2 number, since 2×90614165531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90614168531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45307082765 + 45307082766.

It is an arithmetic number, because the mean of its divisors is an integer number (45307082766).

Almost surely, 2^90614165531 is an apocalyptic number.

90614165531 is a deficient number, since it is larger than the sum of its proper divisors (1).

90614165531 is an equidigital number, since it uses as much as digits as its factorization.

90614165531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 90614165531 in words is "ninety billion, six hundred fourteen million, one hundred sixty-five thousand, five hundred thirty-one".