91667501000 has 32 divisors (see below), whose sum is σ = 214501954680. Its totient is φ = 36667000000.

The previous prime is 91667500979. The next prime is 91667501017. The reversal of 91667501000 is 10576619.

It can be written as a sum of positive squares in 4 ways, for example, as 7730981476 + 83936519524 = 87926^2 + 289718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45832751 + ... + 45834750.

Almost surely, 2^91667501000 is an apocalyptic number.

It is an amenable number.

91667501000 is an abundant number, since it is smaller than the sum of its proper divisors (122834453680).

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

91667501000 is a wasteful number, since it uses less digits than its factorization.

91667501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91667522 (or 91667508 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 91667501000 in words is "ninety-one billion, six hundred sixty-seven million, five hundred one thousand".