1632623164 has 18 divisors (see below), whose sum is σ = 2894529680. Its totient is φ = 805623936.

The previous prime is 1632623147. The next prime is 1632623177. The reversal of 1632623164 is 4613262361.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 717132 + ... + 719404.

Almost surely, 2^1632623164 is an apocalyptic number.

It is an amenable number.

1632623164 is a deficient number, since it is larger than the sum of its proper divisors (1261906516).

1632623164 is an frugal number, since it uses more digits than its factorization.

1632623164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629 (or 2354 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 1632623164 is about 40405.7318211167. The cubic root of 1632623164 is about 1177.5028980745.

The spelling of 1632623164 in words is "one billion, six hundred thirty-two million, six hundred twenty-three thousand, one hundred sixty-four".