3155939161671 has 4 divisors (see below), whose sum is σ = 4207918882232. Its totient is φ = 2103959441112.

The previous prime is 3155939161667. The next prime is 3155939161721. The reversal of 3155939161671 is 1761619395513.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3155939161671 - 2² = 3155939161667 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 (3155939161171) 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, 525989860276 + ... + 525989860281.

It is an arithmetic number, because the mean of its divisors is an integer number (1051979720558).

Almost surely, 2^{3155939161671} is an apocalyptic number.

3155939161671 is a deficient number, since it is larger than the sum of its proper divisors (1051979720561).

3155939161671 is a wasteful number, since it uses less digits than its factorization.

3155939161671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051979720560.

The product of its digits is 4592700, while the sum is 57.

The spelling of 3155939161671 in words is "three trillion, one hundred fifty-five billion, nine hundred thirty-nine million, one hundred sixty-one thousand, six hundred seventy-one".