91532415360 has 256 divisors, whose sum is σ = 303567667200. Its totient is φ = 23433338880.

The previous prime is 91532415341. The next prime is 91532415367. The reversal of 91532415360 is 6351423519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91532415367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7552986 + ... + 7565094.

It is an arithmetic number, because the mean of its divisors is an integer number (1185811200).

Almost surely, 2^91532415360 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 91532415360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151783833600).

91532415360 is an abundant number, since it is smaller than the sum of its proper divisors (212035251840).

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

91532415360 is a wasteful number, since it uses less digits than its factorization.

91532415360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12289 (or 12277 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

Adding to 91532415360 its reverse (6351423519), we get a palindrome (97883838879).

The spelling of 91532415360 in words is "ninety-one billion, five hundred thirty-two million, four hundred fifteen thousand, three hundred sixty".