16140240265 has 16 divisors (see below), whose sum is σ = 19479571200. Its totient is φ = 12838098240.

The previous prime is 16140240253. The next prime is 16140240287. The reversal of 16140240265 is 56204204161.

It is a happy number.

It is not a de Polignac number, because 16140240265 - 2²¹ = 16138143113 is a prime.

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, 1607892 + ... + 1617898.

It is an arithmetic number, because the mean of its divisors is an integer number (1217473200).

Almost surely, 2^16140240265 is an apocalyptic number.

It is an amenable number.

16140240265 is a deficient number, since it is larger than the sum of its proper divisors (3339330935).

16140240265 is a wasteful number, since it uses less digits than its factorization.

16140240265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 16140240265 in words is "sixteen billion, one hundred forty million, two hundred forty thousand, two hundred sixty-five".