66604002662 has 4 divisors (see below), whose sum is σ = 99906003996. Its totient is φ = 33302001330.

The previous prime is 66604002649. The next prime is 66604002677. The reversal of 66604002662 is 26620040666.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16651000664 + ... + 16651000667.

It is an arithmetic number, because the mean of its divisors is an integer number (24976500999).

Almost surely, 2^66604002662 is an apocalyptic number.

66604002662 is a deficient number, since it is larger than the sum of its proper divisors (33302001334).

66604002662 is a wasteful number, since it uses less digits than its factorization.

66604002662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33302001333.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 66604002662 in words is "sixty-six billion, six hundred four million, two thousand, six hundred sixty-two".