16140172 has 6 divisors (see below), whose sum is σ = 28245308. Its totient is φ = 8070084.

The previous prime is 16140151. The next prime is 16140193. The reversal of 16140172 is 27104161.

It is an interprime number because it is at equal distance from previous prime (16140151) and next prime (16140193).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017518 + ... + 2017525.

Almost surely, 2^16140172 is an apocalyptic number.

It is an amenable number.

16140172 is a deficient number, since it is larger than the sum of its proper divisors (12105136).

16140172 is a wasteful number, since it uses less digits than its factorization.

16140172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035047 (or 4035045 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 16140172 is about 4017.4832918134. The cubic root of 16140172 is about 252.7179283802.

The spelling of 16140172 in words is "sixteen million, one hundred forty thousand, one hundred seventy-two".