90660342969 has 36 divisors (see below), whose sum is σ = 154479648960. Its totient is φ = 51076231920.

The previous prime is 90660342961. The next prime is 90660343003. The reversal of 90660342969 is 96924306609.

90660342969 is a `hidden beast` number, since 9 + 0 + 6 + 603 + 4 + 29 + 6 + 9 = 666.

It is not a de Polignac number, because 90660342969 - 2³ = 90660342961 is a prime.

It is a super-2 number, since 2×90660342969² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90660342961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1416429 + ... + 1479050.

It is an arithmetic number, because the mean of its divisors is an integer number (4291101360).

Almost surely, 2^90660342969 is an apocalyptic number.

It is an amenable number.

90660342969 is a deficient number, since it is larger than the sum of its proper divisors (63819305991).

90660342969 is a wasteful number, since it uses less digits than its factorization.

90660342969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895570 (or 2895560 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 90660342969 in words is "ninety billion, six hundred sixty million, three hundred forty-two thousand, nine hundred sixty-nine".