157171446017 has 4 divisors (see below), whose sum is σ = 157172247300. Its totient is φ = 157170644736.

The previous prime is 157171445999. The next prime is 157171446071. The reversal of 157171446017 is 710644171751.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 25228874896 + 131942571121 = 158836^2 + 363239^2 .

It is a cyclic number.

It is not a de Polignac number, because 157171446017 - 2¹⁰ = 157171444993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157171446097) 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, 113609 + ... + 572057.

It is an arithmetic number, because the mean of its divisors is an integer number (39293061825).

Almost surely, 2^157171446017 is an apocalyptic number.

It is an amenable number.

157171446017 is a deficient number, since it is larger than the sum of its proper divisors (801283).

157171446017 is an equidigital number, since it uses as much as digits as its factorization.

157171446017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801282.

The product of its (nonzero) digits is 164640, while the sum is 44.

The spelling of 157171446017 in words is "one hundred fifty-seven billion, one hundred seventy-one million, four hundred forty-six thousand, seventeen".