66152668 has 6 divisors (see below), whose sum is σ = 115767176. Its totient is φ = 33076332.

The previous prime is 66152599. The next prime is 66152689. The reversal of 66152668 is 86625166.

It is a self number, because there is not a number n which added to its sum of digits gives 66152668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8269080 + ... + 8269087.

Almost surely, 2^66152668 is an apocalyptic number.

It is an amenable number.

66152668 is a deficient number, since it is larger than the sum of its proper divisors (49614508).

66152668 is a wasteful number, since it uses less digits than its factorization.

66152668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16538171 (or 16538169 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 66152668 is about 8133.4290431527. The cubic root of 66152668 is about 404.4353621270.

The spelling of 66152668 in words is "sixty-six million, one hundred fifty-two thousand, six hundred sixty-eight".