1623317164 has 12 divisors (see below), whose sum is σ = 3246634384. Its totient is φ = 695707344.

The previous prime is 1623317153. The next prime is 1623317167. The reversal of 1623317164 is 4617133261.

1623317164 is an admirable number.

It is a super-2 number, since 2×1623317164² = 5270317229874005792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1623317167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28987779 + ... + 28987834.

Almost surely, 2^1623317164 is an apocalyptic number.

1623317164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1623317164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1623317164 is a wasteful number, since it uses less digits than its factorization.

1623317164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57975624 (or 57975622 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 1623317164 is about 40290.4103230533. The cubic root of 1623317164 is about 1175.2613666951.

The spelling of 1623317164 in words is "one billion, six hundred twenty-three million, three hundred seventeen thousand, one hundred sixty-four".