91076664 has 32 divisors (see below), whose sum is σ = 260219520. Its totient is φ = 26021856.

The previous prime is 91076663. The next prime is 91076669. The reversal of 91076664 is 46667019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91076663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270894 + ... + 271229.

It is an arithmetic number, because the mean of its divisors is an integer number (8131860).

Almost surely, 2^91076664 is an apocalyptic number.

It is an amenable number.

91076664 is an abundant number, since it is smaller than the sum of its proper divisors (169142856).

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

91076664 is a wasteful number, since it uses less digits than its factorization.

91076664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542139 (or 542135 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 91076664 is about 9543.4094536492. The cubic root of 91076664 is about 449.9204204956.

The spelling of 91076664 in words is "ninety-one million, seventy-six thousand, six hundred sixty-four".