66008632 has 16 divisors (see below), whose sum is σ = 124090200. Its totient is φ = 32917920.

The previous prime is 66008627. The next prime is 66008731. The reversal of 66008632 is 23680066.

It is a super-2 number, since 2×66008632² = 8714278997022848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66008594 and 66008603.

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, 7494 + ... + 13717.

Almost surely, 2^66008632 is an apocalyptic number.

It is an amenable number.

66008632 is a deficient number, since it is larger than the sum of its proper divisors (58081568).

66008632 is a wasteful number, since it uses less digits than its factorization.

66008632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606 (or 21602 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 66008632 is about 8124.5696501415. The cubic root of 66008632 is about 404.1416194679.

Adding to 66008632 its reverse (23680066), we get a palindrome (89688698).

The spelling of 66008632 in words is "sixty-six million, eight thousand, six hundred thirty-two".