655572102004 has 12 divisors (see below), whose sum is σ = 1147748055300. Its totient is φ = 327644086208.

The previous prime is 655572102001. The next prime is 655572102011. The reversal of 655572102004 is 400201275556.

It can be written as a sum of positive squares in 2 ways, for example, as 270244022500 + 385328079504 = 519850^2 + 620748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655572102001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35480809 + ... + 35499280.

It is an arithmetic number, because the mean of its divisors is an integer number (95645671275).

Almost surely, 2^655572102004 is an apocalyptic number.

It is an amenable number.

655572102004 is a deficient number, since it is larger than the sum of its proper divisors (492175953296).

655572102004 is a wasteful number, since it uses less digits than its factorization.

655572102004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70982402 (or 70982400 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 655572102004 in words is "six hundred fifty-five billion, five hundred seventy-two million, one hundred two thousand, four".