66702374102 has 32 divisors (see below), whose sum is σ = 123927246912. Its totient is φ = 26219666304.

The previous prime is 66702374087. The next prime is 66702374117. The reversal of 66702374102 is 20147320766.

It is an interprime number because it is at equal distance from previous prime (66702374087) and next prime (66702374117).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138613 + ... + 1195760.

It is an arithmetic number, because the mean of its divisors is an integer number (3872726466).

Almost surely, 2^66702374102 is an apocalyptic number.

66702374102 is a deficient number, since it is larger than the sum of its proper divisors (57224872810).

66702374102 is a wasteful number, since it uses less digits than its factorization.

66702374102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334552.

The product of its (nonzero) digits is 84672, while the sum is 38.

Adding to 66702374102 its reverse (20147320766), we get a palindrome (86849694868).

The spelling of 66702374102 in words is "sixty-six billion, seven hundred two million, three hundred seventy-four thousand, one hundred two".