16772455 has 24 divisors (see below), whose sum is σ = 24796368. Its totient is φ = 10821888.

The previous prime is 16772453. The next prime is 16772471. The reversal of 16772455 is 55427761.

It is not a de Polignac number, because 16772455 - 2¹ = 16772453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2152 + ... + 6178.

It is an arithmetic number, because the mean of its divisors is an integer number (1033182).

Almost surely, 2^16772455 is an apocalyptic number.

16772455 is a deficient number, since it is larger than the sum of its proper divisors (8023913).

16772455 is a wasteful number, since it uses less digits than its factorization.

16772455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063 (or 4056 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 16772455 is about 4095.4187820051. The cubic root of 16772455 is about 255.9757820108.

The spelling of 16772455 in words is "sixteen million, seven hundred seventy-two thousand, four hundred fifty-five".