1863132164 has 24 divisors (see below), whose sum is σ = 3295165440. Its totient is φ = 921697056.

The previous prime is 1863132157. The next prime is 1863132169. The reversal of 1863132164 is 4612313681.

It is a super-2 number, since 2×1863132164² = 6942522921062645792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1863132169) 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, 187694 + ... + 197370.

It is an arithmetic number, because the mean of its divisors is an integer number (137298560).

Almost surely, 2^1863132164 is an apocalyptic number.

It is an amenable number.

1863132164 is a deficient number, since it is larger than the sum of its proper divisors (1432033276).

1863132164 is a wasteful number, since it uses less digits than its factorization.

1863132164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187 (or 10185 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1863132164 is about 43164.0146881636. The cubic root of 1863132164 is about 1230.4988753434.

The spelling of 1863132164 in words is "one billion, eight hundred sixty-three million, one hundred thirty-two thousand, one hundred sixty-four".