656060061330 has 40 divisors (see below), whose sum is σ = 1764072611532. Its totient is φ = 174949349472.

The previous prime is 656060061329. The next prime is 656060061331. The reversal of 656060061330 is 33160060656.

It is a happy number.

656060061330 is a `hidden beast` number, since 6 + 5 + 6 + 0 + 6 + 0 + 0 + 613 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (656060061329) and next prime (656060061331).

It can be written as a sum of positive squares in 2 ways, for example, as 654307885449 + 1752175881 = 808893^2 + 41859^2 .

It is a super-2 number, since 2×656060061330² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (656060061331) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 404974537 + ... + 404976156.

Almost surely, 2^656060061330 is an apocalyptic number.

656060061330 is an abundant number, since it is smaller than the sum of its proper divisors (1108012550202).

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

656060061330 is a wasteful number, since it uses less digits than its factorization.

656060061330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809950712 (or 809950703 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 656060061330 in words is "six hundred fifty-six billion, sixty million, sixty-one thousand, three hundred thirty".