656011000022 has 32 divisors (see below), whose sum is σ = 1221965690880. Its totient is φ = 257758381440.

The previous prime is 656011000019. The next prime is 656011000037. The reversal of 656011000022 is 220000110656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39769283 + ... + 39785774.

It is an arithmetic number, because the mean of its divisors is an integer number (38186427840).

Almost surely, 2^656011000022 is an apocalyptic number.

656011000022 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

656011000022 is a deficient number, since it is larger than the sum of its proper divisors (565954690858).

656011000022 is a wasteful number, since it uses less digits than its factorization.

656011000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79555116.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 656011000022 its reverse (220000110656), we get a palindrome (876011110678).

The spelling of 656011000022 in words is "six hundred fifty-six billion, eleven million, twenty-two", and thus it is an aban number.