16672055 has 4 divisors (see below), whose sum is σ = 20006472. Its totient is φ = 13337640.

The previous prime is 16672049. The next prime is 16672099. The reversal of 16672055 is 55027661.

It is a happy number.

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

It is not a de Polignac number, because 16672055 - 2⁴ = 16672039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667201 + ... + 1667210.

It is an arithmetic number, because the mean of its divisors is an integer number (5001618).

Almost surely, 2^16672055 is an apocalyptic number.

16672055 is a deficient number, since it is larger than the sum of its proper divisors (3334417).

16672055 is an equidigital number, since it uses as much as digits as its factorization.

16672055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334416.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 16672055 is about 4083.1427846697. The cubic root of 16672055 is about 255.4640020362.

The spelling of 16672055 in words is "sixteen million, six hundred seventy-two thousand, fifty-five".