166337144751 has 8 divisors (see below), whose sum is σ = 222897347200. Its totient is φ = 110334186072.

The previous prime is 166337144741. The next prime is 166337144761. The reversal of 166337144751 is 157441733661.

It is an interprime number because it is at equal distance from previous prime (166337144741) and next prime (166337144761).

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

It is not a de Polignac number, because 166337144751 - 2³⁵ = 131977406383 is a prime.

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 166337144751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166337144731) 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, 139310245 + ... + 139311438.

It is an arithmetic number, because the mean of its divisors is an integer number (27862168400).

Almost surely, 2^166337144751 is an apocalyptic number.

166337144751 is a deficient number, since it is larger than the sum of its proper divisors (56560202449).

166337144751 is a wasteful number, since it uses less digits than its factorization.

166337144751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278621885.

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

The spelling of 166337144751 in words is "one hundred sixty-six billion, three hundred thirty-seven million, one hundred forty-four thousand, seven hundred fifty-one".