655529494896 has 30 divisors (see below), whose sum is σ = 1834572128480. Its totient is φ = 218509831584.

The previous prime is 655529494861. The next prime is 655529494903. The reversal of 655529494896 is 698494925556.

It is a happy number.

655529494896 is a `hidden beast` number, since 6 + 5 + 5 + 52 + 9 + 494 + 89 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2276143936 + ... + 2276144223.

Almost surely, 2^655529494896 is an apocalyptic number.

It is an amenable number.

655529494896 is an abundant number, since it is smaller than the sum of its proper divisors (1179042633584).

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

655529494896 is a wasteful number, since it uses less digits than its factorization.

655529494896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552288173 (or 4552288164 counting only the distinct ones).

The product of its digits is 839808000, while the sum is 72.

The spelling of 655529494896 in words is "six hundred fifty-five billion, five hundred twenty-nine million, four hundred ninety-four thousand, eight hundred ninety-six".