3161601127257 has 4 divisors (see below), whose sum is σ = 4215468169680. Its totient is φ = 2107734084836.

The previous prime is 3161601127193. The next prime is 3161601127291. The reversal of 3161601127257 is 7527211061613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3161601127257 - 2⁶ = 3161601127193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3161601127057) 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, 526933521207 + ... + 526933521212.

It is an arithmetic number, because the mean of its divisors is an integer number (1053867042420).

Almost surely, 2^{3161601127257} is an apocalyptic number.

It is an amenable number.

3161601127257 is a deficient number, since it is larger than the sum of its proper divisors (1053867042423).

3161601127257 is a wasteful number, since it uses less digits than its factorization.

3161601127257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053867042422.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 3161601127257 in words is "three trillion, one hundred sixty-one billion, six hundred one million, one hundred twenty-seven thousand, two hundred fifty-seven".