656219152 has 20 divisors (see below), whose sum is σ = 1279043136. Its totient is φ = 326143520.

The previous prime is 656219149. The next prime is 656219153. The reversal of 656219152 is 251912656.

It is not an unprimeable number, because it can be changed into a prime (656219153) 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, 120124 + ... + 125467.

Almost surely, 2^656219152 is an apocalyptic number.

It is an amenable number.

656219152 is a deficient number, since it is larger than the sum of its proper divisors (622823984).

656219152 is a wasteful number, since it uses less digits than its factorization.

656219152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245766 (or 245760 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 656219152 is about 25616.7748165143. The cubic root of 656219152 is about 868.9930446946.

The spelling of 656219152 in words is "six hundred fifty-six million, two hundred nineteen thousand, one hundred fifty-two".