1656047352 has 32 divisors (see below), whose sum is σ = 4149205200. Its totient is φ = 550804224.

The previous prime is 1656047329. The next prime is 1656047383. The reversal of 1656047352 is 2537406561.

It is a self number, because there is not a number n which added to its sum of digits gives 1656047352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64527 + ... + 86462.

Almost surely, 2^1656047352 is an apocalyptic number.

1656047352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1656047352 is an abundant number, since it is smaller than the sum of its proper divisors (2493157848).

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

1656047352 is a wasteful number, since it uses less digits than its factorization.

1656047352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151455 (or 151451 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 1656047352 is about 40694.5617005516. The cubic root of 1656047352 is about 1183.1076163983.

The spelling of 1656047352 in words is "one billion, six hundred fifty-six million, forty-seven thousand, three hundred fifty-two".