90546657424 has 20 divisors (see below), whose sum is σ = 175470929980. Its totient is φ = 45263836800.

The previous prime is 90546657407. The next prime is 90546657449. The reversal of 90546657424 is 42475664509.

It can be written as a sum of positive squares in 2 ways, for example, as 20268647424 + 70278010000 = 142368^2 + 265100^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514227 + ... + 667474.

It is an arithmetic number, because the mean of its divisors is an integer number (8773546499).

Almost surely, 2^90546657424 is an apocalyptic number.

It is an amenable number.

90546657424 is a deficient number, since it is larger than the sum of its proper divisors (84924272556).

90546657424 is a wasteful number, since it uses less digits than its factorization.

90546657424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186498 (or 1186492 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 90546657424 in words is "ninety billion, five hundred forty-six million, six hundred fifty-seven thousand, four hundred twenty-four".