66652627 has 16 divisors (see below), whose sum is σ = 72460800. Its totient is φ = 61106400.

The previous prime is 66652613. The next prime is 66652633. The reversal of 66652627 is 72625666.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 66652627 - 2⁷ = 66652499 is a prime.

It is a super-2 number, since 2×66652627² = 8885145372002258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66652627.

It is not an unprimeable number, because it can be changed into a prime (66652667) 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, 89824 + ... + 90562.

It is an arithmetic number, because the mean of its divisors is an integer number (4528800).

Almost surely, 2^66652627 is an apocalyptic number.

66652627 is a deficient number, since it is larger than the sum of its proper divisors (5808173).

66652627 is a wasteful number, since it uses less digits than its factorization.

66652627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 181440, while the sum is 40.

The square root of 66652627 is about 8164.1060135204. The cubic root of 66652627 is about 405.4516670103.

The spelling of 66652627 in words is "sixty-six million, six hundred fifty-two thousand, six hundred twenty-seven".