166451413773 has 8 divisors (see below), whose sum is σ = 227096502688. Its totient is φ = 108386967024.

The previous prime is 166451413697. The next prime is 166451413781. The reversal of 166451413773 is 377314154661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166451413773 - 2¹⁴ = 166451397389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166451411773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645160390 + ... + 645160647.

It is an arithmetic number, because the mean of its divisors is an integer number (28387062836).

Almost surely, 2^166451413773 is an apocalyptic number.

It is an amenable number.

166451413773 is a deficient number, since it is larger than the sum of its proper divisors (60645088915).

166451413773 is a wasteful number, since it uses less digits than its factorization.

166451413773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290321083.

The product of its digits is 1270080, while the sum is 48.

The spelling of 166451413773 in words is "one hundred sixty-six billion, four hundred fifty-one million, four hundred thirteen thousand, seven hundred seventy-three".