66046012 has 12 divisors (see below), whose sum is σ = 115669960. Its totient is φ = 32997456.

The previous prime is 66046007. The next prime is 66046031. The reversal of 66046012 is 21064066.

It is a happy number.

It is a super-2 number, since 2×66046012² = 8724151402208288, which contains 22 as substring.

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, 178 + ... + 11494.

Almost surely, 2^66046012 is an apocalyptic number.

It is an amenable number.

66046012 is a deficient number, since it is larger than the sum of its proper divisors (49623948).

66046012 is a wasteful number, since it uses less digits than its factorization.

66046012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12780 (or 12778 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 66046012 is about 8126.8697540935. The cubic root of 66046012 is about 404.2178921338.

The spelling of 66046012 in words is "sixty-six million, forty-six thousand, twelve".