315161641 has 8 divisors (see below), whose sum is σ = 318225600. Its totient is φ = 312111792.

The previous prime is 315161621. The next prime is 315161669. The reversal of 315161641 is 146161513.

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 315161641 - 2⁹ = 315161129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315161611) 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, 44460 + ... + 51058.

It is an arithmetic number, because the mean of its divisors is an integer number (39778200).

Almost surely, 2^315161641 is an apocalyptic number.

It is an amenable number.

315161641 is a deficient number, since it is larger than the sum of its proper divisors (3063959).

315161641 is a wasteful number, since it uses less digits than its factorization.

315161641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055.

The product of its digits is 2160, while the sum is 28.

The square root of 315161641 is about 17752.7924845642. The cubic root of 315161641 is about 680.5255747895.

The spelling of 315161641 in words is "three hundred fifteen million, one hundred sixty-one thousand, six hundred forty-one".