90066951 has 32 divisors (see below), whose sum is σ = 144822720. Its totient is φ = 54991872.

The previous prime is 90066947. The next prime is 90066959. The reversal of 90066951 is 15966009.

It is not a de Polignac number, because 90066951 - 2² = 90066947 is a prime.

It is a super-2 number, since 2×90066951² = 16224111324872802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90066959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47151 + ... + 49023.

It is an arithmetic number, because the mean of its divisors is an integer number (4525710).

Almost surely, 2^90066951 is an apocalyptic number.

90066951 is a deficient number, since it is larger than the sum of its proper divisors (54755769).

90066951 is a wasteful number, since it uses less digits than its factorization.

90066951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 90066951 is about 9490.3609520397. The cubic root of 90066951 is about 448.2515710118.

The spelling of 90066951 in words is "ninety million, sixty-six thousand, nine hundred fifty-one".