66367352936 has 8 divisors (see below), whose sum is σ = 124438786770. Its totient is φ = 33183676464.

The previous prime is 66367352923. The next prime is 66367352939. The reversal of 66367352936 is 63925376366.

It can be written as a sum of positive squares in only one way, i.e., 63297528100 + 3069824836 = 251590^2 + 55406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (66367352939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4147959551 + ... + 4147959566.

Almost surely, 2^66367352936 is an apocalyptic number.

It is an amenable number.

66367352936 is a deficient number, since it is larger than the sum of its proper divisors (58071433834).

66367352936 is a wasteful number, since it uses less digits than its factorization.

66367352936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8295919123 (or 8295919119 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 56.

The spelling of 66367352936 in words is "sixty-six billion, three hundred sixty-seven million, three hundred fifty-two thousand, nine hundred thirty-six".