90591360695520 has 192 divisors, whose sum is σ = 295271084021760. Its totient is φ = 23322618316800.

The previous prime is 90591360695503. The next prime is 90591360695567. The reversal of 90591360695520 is 2559606319509.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1030351 + ... + 13499790.

It is an arithmetic number, because the mean of its divisors is an integer number (1537870229280).

Almost surely, 2^{90591360695520} 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 90591360695520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147635542010880).

90591360695520 is an abundant number, since it is smaller than the sum of its proper divisors (204679723326240).

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

90591360695520 is a wasteful number, since it uses less digits than its factorization.

90591360695520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14530609 (or 14530601 counting only the distinct ones).

The product of its (nonzero) digits is 19683000, while the sum is 60.

The spelling of 90591360695520 in words is "ninety trillion, five hundred ninety-one billion, three hundred sixty million, six hundred ninety-five thousand, five hundred twenty".