16199490 has 32 divisors (see below), whose sum is σ = 39709440. Its totient is φ = 4227584.

The previous prime is 16199483. The next prime is 16199527. The reversal of 16199490 is 9499161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4335 + ... + 7154.

It is an arithmetic number, because the mean of its divisors is an integer number (1240920).

Almost surely, 2^16199490 is an apocalyptic number.

16199490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16199490 is an abundant number, since it is smaller than the sum of its proper divisors (23509950).

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

16199490 is a wasteful number, since it uses less digits than its factorization.

16199490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 16199490 is about 4024.8590037416. The cubic root of 16199490 is about 253.0271443117.

The spelling of 16199490 in words is "sixteen million, one hundred ninety-nine thousand, four hundred ninety".