16128190 has 32 divisors (see below), whose sum is σ = 31610880. Its totient is φ = 5889024.

The previous prime is 16128157. The next prime is 16128197. The reversal of 16128190 is 9182161.

It is a happy number.

It is a super-2 number, since 2×16128190² = 520237025352200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16128197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11971 + ... + 13249.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^16128190 is an apocalyptic number.

16128190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16128190 is a deficient number, since it is larger than the sum of its proper divisors (15482690).

16128190 is a wasteful number, since it uses less digits than its factorization.

16128190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 16128190 is about 4015.9917828601. The cubic root of 16128190 is about 252.6553760554.

The spelling of 16128190 in words is "sixteen million, one hundred twenty-eight thousand, one hundred ninety".