90137370560 has 112 divisors (see below), whose sum is σ = 220031255136. Its totient is φ = 35152330752.

The previous prime is 90137370541. The next prime is 90137370569. The reversal of 90137370560 is 6507373109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90137370569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7933844 + ... + 7945196.

It is an arithmetic number, because the mean of its divisors is an integer number (1964564778).

Almost surely, 2^90137370560 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 90137370560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110015627568).

90137370560 is an abundant number, since it is smaller than the sum of its proper divisors (129893884576).

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

90137370560 is a wasteful number, since it uses less digits than its factorization.

90137370560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11990 (or 11980 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 41.

The spelling of 90137370560 in words is "ninety billion, one hundred thirty-seven million, three hundred seventy thousand, five hundred sixty".