16140663 has 24 divisors (see below), whose sum is σ = 29068416. Its totient is φ = 8384400.

The previous prime is 16140659. The next prime is 16140679. The reversal of 16140663 is 36604161.

It is not a de Polignac number, because 16140663 - 2² = 16140659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10953 + ... + 12338.

It is an arithmetic number, because the mean of its divisors is an integer number (1211184).

Almost surely, 2^16140663 is an apocalyptic number.

16140663 is a deficient number, since it is larger than the sum of its proper divisors (12927753).

16140663 is a wasteful number, since it uses less digits than its factorization.

16140663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23315 (or 23312 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 16140663 is about 4017.5443992568. The cubic root of 16140663 is about 252.7204909973.

The spelling of 16140663 in words is "sixteen million, one hundred forty thousand, six hundred sixty-three".