90532075968 has 168 divisors, whose sum is σ = 278095972128. Its totient is φ = 28085004288.

The previous prime is 90532075951. The next prime is 90532075979. The reversal of 90532075968 is 86957023509.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397830 + ... + 582522.

Almost surely, 2^90532075968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90532075968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139047986064).

90532075968 is an abundant number, since it is smaller than the sum of its proper divisors (187563896160).

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

90532075968 is a wasteful number, since it uses less digits than its factorization.

90532075968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184771 (or 184758 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 90532075968 in words is "ninety billion, five hundred thirty-two million, seventy-five thousand, nine hundred sixty-eight".