656771346 has 48 divisors (see below), whose sum is σ = 1774139328. Its totient is φ = 170589600.

The previous prime is 656771327. The next prime is 656771359. The reversal of 656771346 is 643177656.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235545 + ... + 238316.

It is an arithmetic number, because the mean of its divisors is an integer number (36961236).

Almost surely, 2^656771346 is an apocalyptic number.

656771346 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

656771346 is an abundant number, since it is smaller than the sum of its proper divisors (1117367982).

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

656771346 is a wasteful number, since it uses less digits than its factorization.

656771346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473887 (or 473884 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 656771346 is about 25627.5505267281. The cubic root of 656771346 is about 869.2367225430.

The spelling of 656771346 in words is "six hundred fifty-six million, seven hundred seventy-one thousand, three hundred forty-six".