91766492 has 6 divisors (see below), whose sum is σ = 160591368. Its totient is φ = 45883244.

The previous prime is 91766491. The next prime is 91766501. The reversal of 91766492 is 29466719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91766491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11470808 + ... + 11470815.

It is an arithmetic number, because the mean of its divisors is an integer number (26765228).

Almost surely, 2^91766492 is an apocalyptic number.

It is an amenable number.

91766492 is a deficient number, since it is larger than the sum of its proper divisors (68824876).

91766492 is a wasteful number, since it uses less digits than its factorization.

91766492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22941627 (or 22941625 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 91766492 is about 9579.4828670445. The cubic root of 91766492 is about 451.0534856913.

The spelling of 91766492 in words is "ninety-one million, seven hundred sixty-six thousand, four hundred ninety-two".