91164854 has 8 divisors (see below), whose sum is σ = 149178888. Its totient is φ = 41438560.

The previous prime is 91164851. The next prime is 91164883. The reversal of 91164854 is 45846119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×91164854² = 16622061209682632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91164851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071907 + ... + 2071950.

It is an arithmetic number, because the mean of its divisors is an integer number (18647361).

Almost surely, 2^91164854 is an apocalyptic number.

91164854 is a deficient number, since it is larger than the sum of its proper divisors (58014034).

91164854 is a wasteful number, since it uses less digits than its factorization.

91164854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143870.

The product of its digits is 34560, while the sum is 38.

The square root of 91164854 is about 9548.0288017999. The cubic root of 91164854 is about 450.0655937305.

The spelling of 91164854 in words is "ninety-one million, one hundred sixty-four thousand, eight hundred fifty-four".