3165628865 has 8 divisors (see below), whose sum is σ = 4341433920. Its totient is φ = 2170716912.

The previous prime is 3165628861. The next prime is 3165628877. The reversal of 3165628865 is 5688265613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3165628865 - 2² = 3165628861 is a prime.

It is a super-2 number, since 2×3165628865² = 20042412221842376450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3165628861) 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, 45223235 + ... + 45223304.

It is an arithmetic number, because the mean of its divisors is an integer number (542679240).

Almost surely, 2^3165628865 is an apocalyptic number.

3165628865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3165628865 is a deficient number, since it is larger than the sum of its proper divisors (1175805055).

3165628865 is an equidigital number, since it uses as much as digits as its factorization.

3165628865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90446551.

The product of its digits is 2073600, while the sum is 50.

The square root of 3165628865 is about 56263.9215216999. The cubic root of 3165628865 is about 1468.3175817359.

The spelling of 3165628865 in words is "three billion, one hundred sixty-five million, six hundred twenty-eight thousand, eight hundred sixty-five".