66507052 has 12 divisors (see below), whose sum is σ = 117225640. Its totient is φ = 33014016.

The previous prime is 66507031. The next prime is 66507107. The reversal of 66507052 is 25070566.

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, 59253 + ... + 60364.

Almost surely, 2^66507052 is an apocalyptic number.

It is an amenable number.

66507052 is a deficient number, since it is larger than the sum of its proper divisors (50718588).

66507052 is a wasteful number, since it uses less digits than its factorization.

66507052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119760 (or 119758 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 66507052 is about 8155.1855895498. The cubic root of 66507052 is about 405.1562715540.

The spelling of 66507052 in words is "sixty-six million, five hundred seven thousand, fifty-two".