16213172 has 24 divisors (see below), whose sum is σ = 30260160. Its totient is φ = 7574400.

The previous prime is 16213159. The next prime is 16213187. The reversal of 16213172 is 27131261.

It is a congruent number.

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, 9479 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (1260840).

Almost surely, 2^16213172 is an apocalyptic number.

It is an amenable number.

16213172 is a deficient number, since it is larger than the sum of its proper divisors (14046988).

16213172 is a wasteful number, since it uses less digits than its factorization.

16213172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1749 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 16213172 is about 4026.5583318760. The cubic root of 16213172 is about 253.0983593768.

The spelling of 16213172 in words is "sixteen million, two hundred thirteen thousand, one hundred seventy-two".