66233435173372 has 24 divisors (see below), whose sum is σ = 117690379470720. Its totient is φ = 32608797814320.

The previous prime is 66233435173369. The next prime is 66233435173397. The reversal of 66233435173372 is 27337153433266.

66233435173372 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent 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, 147944422 + ... + 148391437.

It is an arithmetic number, because the mean of its divisors is an integer number (4903765811280).

Almost surely, 2^{66233435173372} is an apocalyptic number.

It is an amenable number.

66233435173372 is a deficient number, since it is larger than the sum of its proper divisors (51456944297348).

66233435173372 is a wasteful number, since it uses less digits than its factorization.

66233435173372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296336721 (or 296336719 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 55.

The spelling of 66233435173372 in words is "sixty-six trillion, two hundred thirty-three billion, four hundred thirty-five million, one hundred seventy-three thousand, three hundred seventy-two".