5165655801 has 4 divisors (see below), whose sum is σ = 6887541072. Its totient is φ = 3443770532.

The previous prime is 5165655787. The next prime is 5165655809. The reversal of 5165655801 is 1085565615.

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 5165655801 - 2⁷ = 5165655673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5165655809) 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, 860942631 + ... + 860942636.

It is an arithmetic number, because the mean of its divisors is an integer number (1721885268).

Almost surely, 2^5165655801 is an apocalyptic number.

It is an amenable number.

5165655801 is a deficient number, since it is larger than the sum of its proper divisors (1721885271).

5165655801 is a wasteful number, since it uses less digits than its factorization.

5165655801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721885270.

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 5165655801 is about 71872.4968329332. The cubic root of 5165655801 is about 1728.6556431964.

The spelling of 5165655801 in words is "five billion, one hundred sixty-five million, six hundred fifty-five thousand, eight hundred one".