2315166641 has 4 divisors (see below), whose sum is σ = 2451352932. Its totient is φ = 2178980352.

The previous prime is 2315166631. The next prime is 2315166643. The reversal of 2315166641 is 1466615132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1623687025 + 691479616 = 40295^2 + 26296^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315166641 - 2¹⁰ = 2315165617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315166643) 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, 68093120 + ... + 68093153.

It is an arithmetic number, because the mean of its divisors is an integer number (612838233).

Almost surely, 2^2315166641 is an apocalyptic number.

It is an amenable number.

2315166641 is a deficient number, since it is larger than the sum of its proper divisors (136186291).

2315166641 is a wasteful number, since it uses less digits than its factorization.

2315166641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136186290.

The product of its digits is 25920, while the sum is 35.

The square root of 2315166641 is about 48116.1785785197. The cubic root of 2315166641 is about 1322.9012252892.

The spelling of 2315166641 in words is "two billion, three hundred fifteen million, one hundred sixty-six thousand, six hundred forty-one".