16701872 has 30 divisors (see below), whose sum is σ = 35573244. Its totient is φ = 7590880.

The previous prime is 16701869. The next prime is 16701877. The reversal of 16701872 is 27810761.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16701877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2378 + ... + 6249.

Almost surely, 2^16701872 is an apocalyptic number.

It is an amenable number.

16701872 is an abundant number, since it is smaller than the sum of its proper divisors (18871372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16701872 is a wasteful number, since it uses less digits than its factorization.

16701872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657 (or 8640 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 16701872 is about 4086.7923852332. The cubic root of 16701872 is about 255.6162055028.

Subtracting 16701872 from its reverse (27810761), we obtain a square (11108889 = 3333²).

The spelling of 16701872 in words is "sixteen million, seven hundred one thousand, eight hundred seventy-two".