166472764741 has 8 divisors (see below), whose sum is σ = 176270304600. Its totient is φ = 156675783168.

The previous prime is 166472764709. The next prime is 166472764751. The reversal of 166472764741 is 147467274661.

It can be written as a sum of positive squares in 4 ways, for example, as 49939287841 + 116533476900 = 223471^2 + 341370^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 166472764741 - 2⁵ = 166472764709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166472764751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580545 + ... + 818521.

It is an arithmetic number, because the mean of its divisors is an integer number (22033788075).

Almost surely, 2^166472764741 is an apocalyptic number.

It is an amenable number.

166472764741 is a deficient number, since it is larger than the sum of its proper divisors (9797539859).

166472764741 is a wasteful number, since it uses less digits than its factorization.

166472764741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279143.

The product of its digits is 9483264, while the sum is 55.

The spelling of 166472764741 in words is "one hundred sixty-six billion, four hundred seventy-two million, seven hundred sixty-four thousand, seven hundred forty-one".