16216772 has 24 divisors (see below), whose sum is σ = 33341952. Its totient is φ = 6804000.

The previous prime is 16216763. The next prime is 16216801. The reversal of 16216772 is 27761261.

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, 13604 + ... + 14747.

It is an arithmetic number, because the mean of its divisors is an integer number (1389248).

Almost surely, 2^16216772 is an apocalyptic number.

It is an amenable number.

16216772 is an abundant number, since it is smaller than the sum of its proper divisors (17125180).

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

16216772 is a wasteful number, since it uses less digits than its factorization.

16216772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28379 (or 28377 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 16216772 is about 4027.0053389585. The cubic root of 16216772 is about 253.1170907857.

The spelling of 16216772 in words is "sixteen million, two hundred sixteen thousand, seven hundred seventy-two".