1663125152 has 24 divisors (see below), whose sum is σ = 3526146036. Its totient is φ = 767596032.

The previous prime is 1663125133. The next prime is 1663125179. The reversal of 1663125152 is 2515213661.

It can be written as a sum of positive squares in 2 ways, for example, as 1455880336 + 207244816 = 38156^2 + 14396^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998533 + ... + 1999364.

Almost surely, 2^1663125152 is an apocalyptic number.

It is an amenable number.

1663125152 is an abundant number, since it is smaller than the sum of its proper divisors (1863020884).

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

1663125152 is a wasteful number, since it uses less digits than its factorization.

1663125152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997920 (or 3997912 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 1663125152 is about 40781.4314608990. The cubic root of 1663125152 is about 1184.7907199836.

The spelling of 1663125152 in words is "one billion, six hundred sixty-three million, one hundred twenty-five thousand, one hundred fifty-two".