90613968102 has 24 divisors (see below), whose sum is σ = 224377445136. Its totient is φ = 25889705136.

The previous prime is 90613968091. The next prime is 90613968169. The reversal of 90613968102 is 20186931609.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359579113 + ... + 359579364.

It is an arithmetic number, because the mean of its divisors is an integer number (9349060214).

Almost surely, 2^90613968102 is an apocalyptic number.

90613968102 is an abundant number, since it is smaller than the sum of its proper divisors (133763477034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90613968102 is a wasteful number, since it uses less digits than its factorization.

90613968102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719158492 (or 719158489 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 90613968102 in words is "ninety billion, six hundred thirteen million, nine hundred sixty-eight thousand, one hundred two".