91366150536 has 48 divisors (see below), whose sum is σ = 253485364860. Its totient is φ = 29712568320.

The previous prime is 91366150523. The next prime is 91366150537. The reversal of 91366150536 is 63505166319.

91366150536 is a `hidden beast` number, since 9 + 1 + 3 + 6 + 61 + 50 + 536 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68324732100 + 23041418436 = 261390^2 + 151794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91366150491 and 91366150500.

It is not an unprimeable number, because it can be changed into a prime (91366150537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15472345 + ... + 15478248.

Almost surely, 2^91366150536 is an apocalyptic number.

It is an amenable number.

91366150536 is an abundant number, since it is smaller than the sum of its proper divisors (162119214324).

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

91366150536 is a wasteful number, since it uses less digits than its factorization.

91366150536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30950646 (or 30950639 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 91366150536 in words is "ninety-one billion, three hundred sixty-six million, one hundred fifty thousand, five hundred thirty-six".