16872755 has 8 divisors (see below), whose sum is σ = 21438432. Its totient is φ = 12704128.

The previous prime is 16872697. The next prime is 16872763. The reversal of 16872755 is 55727861.

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

It is a cyclic number.

It is not a de Polignac number, because 16872755 - 2¹⁸ = 16610611 is a prime.

It is a super-2 number, since 2×16872755² = 569379722580050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99167 + ... + 99336.

It is an arithmetic number, because the mean of its divisors is an integer number (2679804).

Almost surely, 2^16872755 is an apocalyptic number.

16872755 is a deficient number, since it is larger than the sum of its proper divisors (4565677).

16872755 is a wasteful number, since it uses less digits than its factorization.

16872755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198525.

The product of its digits is 117600, while the sum is 41.

The square root of 16872755 is about 4107.6459195018. The cubic root of 16872755 is about 256.4850169904.

The spelling of 16872755 in words is "sixteen million, eight hundred seventy-two thousand, seven hundred fifty-five".