73166674356331 has 4 divisors (see below), whose sum is σ = 73166746939000. Its totient is φ = 73166601773664.

The previous prime is 73166674356323. The next prime is 73166674356343. The reversal of 73166674356331 is 13365347666137.

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

It is a cyclic number.

It is not a de Polignac number, because 73166674356331 - 2³ = 73166674356323 is a prime.

It is a super-2 number, since 2×73166674356331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73166674356331.

It is not an unprimeable number, because it can be changed into a prime (73166674356301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34757661 + ... + 36802558.

It is an arithmetic number, because the mean of its divisors is an integer number (18291686734750).

Almost surely, 2^{73166674356331} is an apocalyptic number.

73166674356331 is a deficient number, since it is larger than the sum of its proper divisors (72582669).

73166674356331 is a wasteful number, since it uses less digits than its factorization.

73166674356331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72582668.

The product of its digits is 102876480, while the sum is 61.

The spelling of 73166674356331 in words is "seventy-three trillion, one hundred sixty-six billion, six hundred seventy-four million, three hundred fifty-six thousand, three hundred thirty-one".