66523036 has 6 divisors (see below), whose sum is σ = 116415320. Its totient is φ = 33261516.

The previous prime is 66522997. The next prime is 66523043. The reversal of 66523036 is 63032566.

It is a junction number, because it is equal to n+sod(n) for n = 66522989 and 66523007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8315376 + ... + 8315383.

Almost surely, 2^66523036 is an apocalyptic number.

It is an amenable number.

66523036 is a deficient number, since it is larger than the sum of its proper divisors (49892284).

66523036 is a wasteful number, since it uses less digits than its factorization.

66523036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16630763 (or 16630761 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 66523036 is about 8156.1655206353. The cubic root of 66523036 is about 405.1887267544.

The spelling of 66523036 in words is "sixty-six million, five hundred twenty-three thousand, thirty-six".