1623384164 has 12 divisors (see below), whose sum is σ = 2842117488. Its totient is φ = 811350600.

The previous prime is 1623384157. The next prime is 1623384167. The reversal of 1623384164 is 4614833261.

It is a happy number.

It is a super-2 number, since 2×1623384164² = 5270752287851957792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1623384167) by changing a digit.

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, 74522 + ... + 93809.

It is an arithmetic number, because the mean of its divisors is an integer number (236843124).

Almost surely, 2^1623384164 is an apocalyptic number.

It is an amenable number.

1623384164 is a deficient number, since it is larger than the sum of its proper divisors (1218733324).

1623384164 is a wasteful number, since it uses less digits than its factorization.

1623384164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170746 (or 170744 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 1623384164 is about 40291.2417778355. The cubic root of 1623384164 is about 1175.2775355273.

The spelling of 1623384164 in words is "one billion, six hundred twenty-three million, three hundred eighty-four thousand, one hundred sixty-four".