655142652 has 18 divisors (see below), whose sum is σ = 1656055128. Its totient is φ = 218380872.

The previous prime is 655142641. The next prime is 655142687. The reversal of 655142652 is 256241556.

655142652 is a `hidden beast` number, since 6 + 551 + 42 + 65 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18198407 = 655142652 / (6 + 5 + 5 + 1 + 4 + 2 + 6 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9099168 + ... + 9099239.

Almost surely, 2^655142652 is an apocalyptic number.

It is an amenable number.

655142652 is an abundant number, since it is smaller than the sum of its proper divisors (1000912476).

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

655142652 is a wasteful number, since it uses less digits than its factorization.

655142652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18198417 (or 18198412 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 655142652 is about 25595.7545698501. The cubic root of 655142652 is about 868.5176024026.

The spelling of 655142652 in words is "six hundred fifty-five million, one hundred forty-two thousand, six hundred fifty-two".