16140190 has 24 divisors (see below), whose sum is σ = 31935960. Its totient is φ = 5868720.

The previous prime is 16140151. The next prime is 16140193. The reversal of 16140190 is 9104161.

It is a super-2 number, since 2×16140190² = 521011466472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5460 + ... + 7879.

It is an arithmetic number, because the mean of its divisors is an integer number (1330665).

Almost surely, 2^16140190 is an apocalyptic number.

16140190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16140190 is a deficient number, since it is larger than the sum of its proper divisors (15795770).

16140190 is a wasteful number, since it uses less digits than its factorization.

16140190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13368 (or 13357 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 16140190 is about 4017.4855320212. The cubic root of 16140190 is about 252.7180223263.

The spelling of 16140190 in words is "sixteen million, one hundred forty thousand, one hundred ninety".