16779201 has 8 divisors (see below), whose sum is σ = 22394880. Its totient is φ = 11174832.

The previous prime is 16779199. The next prime is 16779211. The reversal of 16779201 is 10297761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16779201 - 2¹ = 16779199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16779211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1651 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (2799360).

Almost surely, 2^16779201 is an apocalyptic number.

It is an amenable number.

16779201 is a deficient number, since it is larger than the sum of its proper divisors (5615679).

16779201 is a wasteful number, since it uses less digits than its factorization.

16779201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 16779201 is about 4096.2423024035. The cubic root of 16779201 is about 256.0100958339.

It can be divided in two parts, 1677 and 9201, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 16779201 in words is "sixteen million, seven hundred seventy-nine thousand, two hundred one".