90612493624 has 8 divisors (see below), whose sum is σ = 169898425560. Its totient is φ = 45306246808.

The previous prime is 90612493613. The next prime is 90612493633. The reversal of 90612493624 is 42639421609.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5663280844 + ... + 5663280859.

It is an arithmetic number, because the mean of its divisors is an integer number (21237303195).

Almost surely, 2^90612493624 is an apocalyptic number.

It is an amenable number.

90612493624 is a deficient number, since it is larger than the sum of its proper divisors (79285931936).

90612493624 is a wasteful number, since it uses less digits than its factorization.

90612493624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326561709 (or 11326561705 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 90612493624 in words is "ninety billion, six hundred twelve million, four hundred ninety-three thousand, six hundred twenty-four".