90916913610 has 96 divisors (see below), whose sum is σ = 240763985280. Its totient is φ = 23798275200.

The previous prime is 90916913573. The next prime is 90916913621. The reversal of 90916913610 is 1631961909.

90916913610 is a `hidden beast` number, since 9 + 0 + 9 + 16 + 9 + 13 + 610 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1432245 + ... + 1494375.

It is an arithmetic number, because the mean of its divisors is an integer number (2507958180).

Almost surely, 2^90916913610 is an apocalyptic number.

90916913610 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90916913610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120381992640).

90916913610 is an abundant number, since it is smaller than the sum of its proper divisors (149847071670).

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

90916913610 is a wasteful number, since it uses less digits than its factorization.

90916913610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62444 (or 62441 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The spelling of 90916913610 in words is "ninety billion, nine hundred sixteen million, nine hundred thirteen thousand, six hundred ten".