5622621660 has 72 divisors (see below), whose sum is σ = 17061604560. Its totient is φ = 1498810368.

The previous prime is 5622621647. The next prime is 5622621671. The reversal of 5622621660 is 661262265.

5622621660 is a `hidden beast` number, since 5 + 6 + 22 + 621 + 6 + 6 + 0 = 666.

It is a super-2 number, since 2×5622621660² = 63227748663002311200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768379 + ... + 775661.

It is an arithmetic number, because the mean of its divisors is an integer number (236966730).

Almost surely, 2^5622621660 is an apocalyptic number.

It is an amenable number.

5622621660 is an abundant number, since it is smaller than the sum of its proper divisors (11438982900).

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

5622621660 is a wasteful number, since it uses less digits than its factorization.

5622621660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587 (or 11582 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 5622621660 is about 74984.1427236452. The cubic root of 5622621660 is about 1778.1959650103.

The spelling of 5622621660 in words is "five billion, six hundred twenty-two million, six hundred twenty-one thousand, six hundred sixty".