16885001 has 4 divisors (see below), whose sum is σ = 19297152. Its totient is φ = 14472852.

The previous prime is 16884997. The next prime is 16885003. The reversal of 16885001 is 10058861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16885001 - 2² = 16884997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16885003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206065 + ... + 1206078.

It is an arithmetic number, because the mean of its divisors is an integer number (4824288).

Almost surely, 2^16885001 is an apocalyptic number.

It is an amenable number.

16885001 is a deficient number, since it is larger than the sum of its proper divisors (2412151).

16885001 is an equidigital number, since it uses as much as digits as its factorization.

16885001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412150.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 16885001 is about 4109.1362839409. The cubic root of 16885001 is about 256.5470530153.

The spelling of 16885001 in words is "sixteen million, eight hundred eighty-five thousand, one".