1653922368 has 112 divisors (see below), whose sum is σ = 5556869760. Its totient is φ = 472545792.

The previous prime is 1653922357. The next prime is 1653922381. The reversal of 1653922368 is 8632293561.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56271 + ... + 80462.

Almost surely, 2^1653922368 is an apocalyptic number.

1653922368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1653922368 is an abundant number, since it is smaller than the sum of its proper divisors (3902947392).

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

1653922368 is a wasteful number, since it uses less digits than its factorization.

1653922368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136761 (or 136745 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 1653922368 is about 40668.4443764450. Note that the first 3 decimals coincide. The cubic root of 1653922368 is about 1182.6013585611.

The spelling of 1653922368 in words is "one billion, six hundred fifty-three million, nine hundred twenty-two thousand, three hundred sixty-eight".