91286162496 has 63 divisors (see below), whose sum is σ = 261676088661. Its totient is φ = 30426303744.

The previous prime is 91286162453. The next prime is 91286162533. The reversal of 91286162496 is 69426168219.

The square root of 91286162496 is 302136.

It is a perfect power (a square), and thus also a powerful number.

91286162496 is a `hidden beast` number, since 9 + 1 + 2 + 8 + 6 + 1 + 624 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7510648896 + 83775513600 = 86664^2 + 289440^2 .

It is a super-2 number, since 2×91286162496² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7244970 + ... + 7257558.

Almost surely, 2^91286162496 is an apocalyptic number.

91286162496 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

91286162496 is the 302136-th square number.

It is an amenable number.

91286162496 is an abundant number, since it is smaller than the sum of its proper divisors (170389926165).

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

91286162496 is an frugal number, since it uses more digits than its factorization.

91286162496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25196 (or 12594 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 91286162496 in words is "ninety-one billion, two hundred eighty-six million, one hundred sixty-two thousand, four hundred ninety-six".