66612932373 has 32 divisors (see below), whose sum is σ = 100365834240. Its totient is φ = 38991142080.

The previous prime is 66612932359. The next prime is 66612932383. The reversal of 66612932373 is 37323921666.

66612932373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66612932373 - 2¹⁰ = 66612931349 is a prime.

It is a super-2 number, since 2×66612932373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66612932303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46873 + ... + 367998.

It is an arithmetic number, because the mean of its divisors is an integer number (3136432320).

Almost surely, 2^66612932373 is an apocalyptic number.

It is an amenable number.

66612932373 is a deficient number, since it is larger than the sum of its proper divisors (33752901867).

66612932373 is a wasteful number, since it uses less digits than its factorization.

66612932373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415089.

The product of its digits is 1469664, while the sum is 48.

It can be divided in two parts, 6661293 and 2373, that added together give a palindrome (6663666).

The spelling of 66612932373 in words is "sixty-six billion, six hundred twelve million, nine hundred thirty-two thousand, three hundred seventy-three".