16622463 has 16 divisors (see below), whose sum is σ = 26038656. Its totient is φ = 9299040.

The previous prime is 16622407. The next prime is 16622513. The reversal of 16622463 is 36422661.

It is not a de Polignac number, because 16622463 - 2¹⁶ = 16556927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16622463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16622563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18945 + ... + 19802.

It is an arithmetic number, because the mean of its divisors is an integer number (1627416).

Almost surely, 2^16622463 is an apocalyptic number.

16622463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16622463 is a deficient number, since it is larger than the sum of its proper divisors (9416193).

16622463 is a wasteful number, since it uses less digits than its factorization.

16622463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38774.

The product of its digits is 10368, while the sum is 30.

The square root of 16622463 is about 4077.0654888044. The cubic root of 16622463 is about 255.2104529463.

The spelling of 16622463 in words is "sixteen million, six hundred twenty-two thousand, four hundred sixty-three".