91232669160 has 96 divisors (see below), whose sum is σ = 297779007240. Its totient is φ = 24224274432.

The previous prime is 91232669153. The next prime is 91232669167. The reversal of 91232669160 is 6196623219.

It is an interprime number because it is at equal distance from previous prime (91232669153) and next prime (91232669167).

It can be written as a sum of positive squares in 4 ways, for example, as 71934458436 + 19298210724 = 268206^2 + 138918^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (91232669167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459949 + ... + 627708.

Almost surely, 2^91232669160 is an apocalyptic number.

91232669160 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

91232669160 is an abundant number, since it is smaller than the sum of its proper divisors (206546338080).

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

91232669160 is a wasteful number, since it uses less digits than its factorization.

91232669160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087907 (or 1087900 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 91232669160 in words is "ninety-one billion, two hundred thirty-two million, six hundred sixty-nine thousand, one hundred sixty".