656897148 has 24 divisors (see below), whose sum is σ = 1703066960. Its totient is φ = 218965680.

The previous prime is 656897147. The next prime is 656897167. The reversal of 656897148 is 841798656.

656897148 is a `hidden beast` number, since 6 + 568 + 9 + 71 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 656897094 and 656897103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656897147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3041083 + ... + 3041298.

Almost surely, 2^656897148 is an apocalyptic number.

It is an amenable number.

656897148 is an abundant number, since it is smaller than the sum of its proper divisors (1046169812).

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

656897148 is a wasteful number, since it uses less digits than its factorization.

656897148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082394 (or 6082386 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 656897148 is about 25630.0048380799. The cubic root of 656897148 is about 869.2922186389.

The spelling of 656897148 in words is "six hundred fifty-six million, eight hundred ninety-seven thousand, one hundred forty-eight".