91461416 has 16 divisors (see below), whose sum is σ = 172127040. Its totient is φ = 45560880.

The previous prime is 91461407. The next prime is 91461427. The reversal of 91461416 is 61416419.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18926 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (10757940).

Almost surely, 2^91461416 is an apocalyptic number.

It is an amenable number.

91461416 is a deficient number, since it is larger than the sum of its proper divisors (80665624).

91461416 is a wasteful number, since it uses less digits than its factorization.

91461416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42464 (or 42460 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 91461416 is about 9563.5462042069. The cubic root of 91461416 is about 450.5530911154.

The spelling of 91461416 in words is "ninety-one million, four hundred sixty-one thousand, four hundred sixteen".