16498220 has 12 divisors (see below), whose sum is σ = 34646304. Its totient is φ = 6599280.

The previous prime is 16498201. The next prime is 16498241. The reversal of 16498220 is 2289461.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412436 + ... + 412475.

It is an arithmetic number, because the mean of its divisors is an integer number (2887192).

Almost surely, 2^16498220 is an apocalyptic number.

16498220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16498220 is an abundant number, since it is smaller than the sum of its proper divisors (18148084).

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

16498220 is a wasteful number, since it uses less digits than its factorization.

16498220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824920 (or 824918 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 16498220 is about 4061.8000935546. The cubic root of 16498220 is about 254.5730134818.

The spelling of 16498220 in words is "sixteen million, four hundred ninety-eight thousand, two hundred twenty".