16172463 has 4 divisors (see below), whose sum is σ = 21563288. Its totient is φ = 10781640.

The previous prime is 16172461. The next prime is 16172479. The reversal of 16172463 is 36427161.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16172463 - 2¹ = 16172461 is a prime.

It is the 4022-nd Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16172463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16172461) by changing a digit.

It is a nontrivial repunit in base 4021.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2695408 + ... + 2695413.

It is an arithmetic number, because the mean of its divisors is an integer number (5390822).

Almost surely, 2^16172463 is an apocalyptic number.

16172463 is a deficient number, since it is larger than the sum of its proper divisors (5390825).

16172463 is an equidigital number, since it uses as much as digits as its factorization.

16172463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390824.

The product of its digits is 6048, while the sum is 30.

The square root of 16172463 is about 4021.5000932488. The cubic root of 16172463 is about 252.8863503468.

The spelling of 16172463 in words is "sixteen million, one hundred seventy-two thousand, four hundred sixty-three".