1656448068 has 24 divisors (see below), whose sum is σ = 4216413600. Its totient is φ = 501953920.

The previous prime is 1656448067. The next prime is 1656448099. The reversal of 1656448068 is 8608446561.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1656448067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6274293 + ... + 6274556.

It is an arithmetic number, because the mean of its divisors is an integer number (175683900).

Almost surely, 2^1656448068 is an apocalyptic number.

It is an amenable number.

1656448068 is an abundant number, since it is smaller than the sum of its proper divisors (2559965532).

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

1656448068 is a wasteful number, since it uses less digits than its factorization.

1656448068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12548867 (or 12548865 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 1656448068 is about 40699.4848616048. The cubic root of 1656448068 is about 1183.2030347484.

The spelling of 1656448068 in words is "one billion, six hundred fifty-six million, four hundred forty-eight thousand, sixty-eight".