1656430848 has 54 divisors (see below), whose sum is σ = 4775905134. Its totient is φ = 552142848.

The previous prime is 1656430807. The next prime is 1656430927. The reversal of 1656430848 is 8480346561.

1656430848 is a `hidden beast` number, since 1 + 6 + 564 + 3 + 0 + 84 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1248067584 + 408363264 = 35328^2 + 20208^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357165 + ... + 361772.

Almost surely, 2^1656430848 is an apocalyptic number.

1656430848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1656430848 is an abundant number, since it is smaller than the sum of its proper divisors (3119474286).

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

1656430848 is an equidigital number, since it uses as much as digits as its factorization.

1656430848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718959 (or 718942 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 1656430848 is about 40699.2733104659. The cubic root of 1656430848 is about 1183.1989346446.

The spelling of 1656430848 in words is "one billion, six hundred fifty-six million, four hundred thirty thousand, eight hundred forty-eight".