1656043468 has 12 divisors (see below), whose sum is σ = 2898362320. Its totient is φ = 827939952.

The previous prime is 1656043453. The next prime is 1656043481. The reversal of 1656043468 is 8643406561.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 62530 + ... + 84982.

Almost surely, 2^1656043468 is an apocalyptic number.

It is an amenable number.

1656043468 is a deficient number, since it is larger than the sum of its proper divisors (1242318852).

1656043468 is a wasteful number, since it uses less digits than its factorization.

1656043468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40896 (or 40894 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 1656043468 is about 40694.5139791594. The cubic root of 1656043468 is about 1183.1066914663.

The spelling of 1656043468 in words is "one billion, six hundred fifty-six million, forty-three thousand, four hundred sixty-eight".