66032955 has 16 divisors (see below), whose sum is σ = 117392160. Its totient is φ = 35217504.

The previous prime is 66032951. The next prime is 66032957. The reversal of 66032955 is 55923066.

It is not a de Polignac number, because 66032955 - 2² = 66032951 is a prime.

It is a super-2 number, since 2×66032955² = 8720702292064050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (66032951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244432 + ... + 244701.

It is an arithmetic number, because the mean of its divisors is an integer number (7337010).

Almost surely, 2^66032955 is an apocalyptic number.

66032955 is a deficient number, since it is larger than the sum of its proper divisors (51359205).

66032955 is a wasteful number, since it uses less digits than its factorization.

66032955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489147 (or 489141 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 66032955 is about 8126.0663915575. The cubic root of 66032955 is about 404.1912530242.

The spelling of 66032955 in words is "sixty-six million, thirty-two thousand, nine hundred fifty-five".