16164423 has 48 divisors (see below), whose sum is σ = 27555840. Its totient is φ = 9028800.

The previous prime is 16164409. The next prime is 16164457. The reversal of 16164423 is 32446161.

16164423 is a `hidden beast` number, since 1 + 616 + 4 + 42 + 3 = 666.

It is not a de Polignac number, because 16164423 - 2¹² = 16160327 is a prime.

It is a super-2 number, since 2×16164423² = 522577141845858, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70473 + ... + 70701.

It is an arithmetic number, because the mean of its divisors is an integer number (574080).

Almost surely, 2^16164423 is an apocalyptic number.

16164423 is a deficient number, since it is larger than the sum of its proper divisors (11391417).

16164423 is a wasteful number, since it uses less digits than its factorization.

16164423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 297 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 16164423 is about 4020.5003419972. The cubic root of 16164423 is about 252.8444366469.

The spelling of 16164423 in words is "sixteen million, one hundred sixty-four thousand, four hundred twenty-three".