16776872 has 32 divisors (see below), whose sum is σ = 36832320. Its totient is φ = 7013760.

The previous prime is 16776869. The next prime is 16776899. The reversal of 16776872 is 27867761.

It is a nialpdrome in base 4 and base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (1151010).

Almost surely, 2^16776872 is an apocalyptic number.

It is an amenable number.

16776872 is an abundant number, since it is smaller than the sum of its proper divisors (20055448).

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

16776872 is a wasteful number, since it uses less digits than its factorization.

16776872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361 (or 7357 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 16776872 is about 4095.9580075972. The cubic root of 16776872 is about 255.9982503136.

The spelling of 16776872 in words is "sixteen million, seven hundred seventy-six thousand, eight hundred seventy-two".