66062004 has 12 divisors (see below), whose sum is σ = 154144704. Its totient is φ = 22020664.

The previous prime is 66061999. The next prime is 66062011. The reversal of 66062004 is 40026066.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752572 + ... + 2752595.

It is an arithmetic number, because the mean of its divisors is an integer number (12845392).

Almost surely, 2^66062004 is an apocalyptic number.

It is an amenable number.

66062004 is an abundant number, since it is smaller than the sum of its proper divisors (88082700).

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

66062004 is a wasteful number, since it uses less digits than its factorization.

66062004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505174 (or 5505172 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 66062004 is about 8127.8535912011. The cubic root of 66062004 is about 404.2505144965.

The spelling of 66062004 in words is "sixty-six million, sixty-two thousand, four", and thus it is an eban number.