5165665100 has 18 divisors (see below), whose sum is σ = 11209493484. Its totient is φ = 2066266000.

The previous prime is 5165665081. The next prime is 5165665117. The reversal of 5165665100 is 15665615.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25828226 + ... + 25828425.

It is an arithmetic number, because the mean of its divisors is an integer number (622749638).

Almost surely, 2^5165665100 is an apocalyptic number.

5165665100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5165665100 is an abundant number, since it is smaller than the sum of its proper divisors (6043828384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5165665100 is a wasteful number, since it uses less digits than its factorization.

5165665100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51656665 (or 51656658 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 5165665100 is about 71872.5615238528. The cubic root of 5165665100 is about 1728.6566804806.

The spelling of 5165665100 in words is "five billion, one hundred sixty-five million, six hundred sixty-five thousand, one hundred".