1656655122 has 32 divisors (see below), whose sum is σ = 3365095680. Its totient is φ = 543628800.

The previous prime is 1656655111. The next prime is 1656655129. The reversal of 1656655122 is 2215566561.

It is a happy number.

It is a super-3 number, since 3×1656655122³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1656655129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162372 + ... + 172272.

It is an arithmetic number, because the mean of its divisors is an integer number (105159240).

Almost surely, 2^1656655122 is an apocalyptic number.

1656655122 is an abundant number, since it is smaller than the sum of its proper divisors (1708440558).

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

1656655122 is a wasteful number, since it uses less digits than its factorization.

1656655122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338.

The product of its digits is 108000, while the sum is 39.

The square root of 1656655122 is about 40702.0284752492. The cubic root of 1656655122 is about 1183.2523323426.

The spelling of 1656655122 in words is "one billion, six hundred fifty-six million, six hundred fifty-five thousand, one hundred twenty-two".