157064331173 has 8 divisors (see below), whose sum is σ = 158695311768. Its totient is φ = 155433590784.

The previous prime is 157064331139. The next prime is 157064331233. The reversal of 157064331173 is 371133460751.

It can be written as a sum of positive squares in 4 ways, for example, as 3292120129 + 153772211044 = 57377^2 + 392138^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157064331173 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 157064331173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157064331133) 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, 1450565 + ... + 1555077.

It is an arithmetic number, because the mean of its divisors is an integer number (19836913971).

Almost surely, 2^157064331173 is an apocalyptic number.

It is an amenable number.

157064331173 is a deficient number, since it is larger than the sum of its proper divisors (1630980595).

157064331173 is a wasteful number, since it uses less digits than its factorization.

157064331173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120103.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 157064331173 in words is "one hundred fifty-seven billion, sixty-four million, three hundred thirty-one thousand, one hundred seventy-three".