5618086164 has 18 divisors (see below), whose sum is σ = 14201273450. Its totient is φ = 1872695376.

The previous prime is 5618086163. The next prime is 5618086171. The reversal of 5618086164 is 4616808165.

5618086164 is a `hidden beast` number, since 561 + 8 + 0 + 86 + 1 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4915412100 + 702674064 = 70110^2 + 26508^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5618086164² = 63125784292256469792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618086163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78028939 + ... + 78029010.

Almost surely, 2^5618086164 is an apocalyptic number.

It is an amenable number.

5618086164 is an abundant number, since it is smaller than the sum of its proper divisors (8583187286).

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

5618086164 is a wasteful number, since it uses less digits than its factorization.

5618086164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156057959 (or 156057954 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 5618086164 is about 74953.8935879918. The cubic root of 5618086164 is about 1777.7177082649.

The spelling of 5618086164 in words is "five billion, six hundred eighteen million, eighty-six thousand, one hundred sixty-four".