66604062 has 32 divisors (see below), whose sum is σ = 161194752. Its totient is φ = 17910144.

The previous prime is 66604061. The next prime is 66604073. The reversal of 66604062 is 26040666.

It is a super-2 number, since 2×66604062² = 8872202149799688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66604061) 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, 45928 + ... + 47355.

It is an arithmetic number, because the mean of its divisors is an integer number (5037336).

Almost surely, 2^66604062 is an apocalyptic number.

66604062 is an abundant number, since it is smaller than the sum of its proper divisors (94590690).

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

66604062 is a wasteful number, since it uses less digits than its factorization.

66604062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93312.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 66604062 is about 8161.1311715963. The cubic root of 66604062 is about 405.3531685442.

The spelling of 66604062 in words is "sixty-six million, six hundred four thousand, sixty-two".