66327387610 has 16 divisors (see below), whose sum is σ = 130242870432. Its totient is φ = 24119050000.

The previous prime is 66327387593. The next prime is 66327387631. The reversal of 66327387610 is 1678372366.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301488016 + ... + 301488235.

It is an arithmetic number, because the mean of its divisors is an integer number (8140179402).

Almost surely, 2^66327387610 is an apocalyptic number.

66327387610 is a deficient number, since it is larger than the sum of its proper divisors (63915482822).

66327387610 is a wasteful number, since it uses less digits than its factorization.

66327387610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602976269.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 66327387610 in words is "sixty-six billion, three hundred twenty-seven million, three hundred eighty-seven thousand, six hundred ten".