91416464 has 10 divisors (see below), whose sum is σ = 177119430. Its totient is φ = 45708224.

The previous prime is 91416461. The next prime is 91416469. The reversal of 91416464 is 46461419.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56370064 + 35046400 = 7508^2 + 5920^2 .

It is not an unprimeable number, because it can be changed into a prime (91416461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2856749 + ... + 2856780.

It is an arithmetic number, because the mean of its divisors is an integer number (17711943).

Almost surely, 2^91416464 is an apocalyptic number.

It is an amenable number.

91416464 is a deficient number, since it is larger than the sum of its proper divisors (85702966).

91416464 is a wasteful number, since it uses less digits than its factorization.

91416464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713537 (or 5713531 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 91416464 is about 9561.1957411194. The cubic root of 91416464 is about 450.4792655162.

The spelling of 91416464 in words is "ninety-one million, four hundred sixteen thousand, four hundred sixty-four".