91627916 has 6 divisors (see below), whose sum is σ = 160348860. Its totient is φ = 45813956.

The previous prime is 91627891. The next prime is 91627951. The reversal of 91627916 is 61972619.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11453486 + ... + 11453493.

It is an arithmetic number, because the mean of its divisors is an integer number (26724810).

Almost surely, 2^91627916 is an apocalyptic number.

It is an amenable number.

91627916 is a deficient number, since it is larger than the sum of its proper divisors (68720944).

91627916 is a wasteful number, since it uses less digits than its factorization.

91627916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22906983 (or 22906981 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 91627916 is about 9572.2471760815. The cubic root of 91627916 is about 450.8263269692.

The spelling of 91627916 in words is "ninety-one million, six hundred twenty-seven thousand, nine hundred sixteen".