16131780707 has 16 divisors (see below), whose sum is σ = 18731980800. Its totient is φ = 13606971840.

The previous prime is 16131780697. The next prime is 16131780727. The reversal of 16131780707 is 70708713161.

It is not a de Polignac number, because 16131780707 - 2¹⁴ = 16131764323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16131780727) 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, 70094 + ... + 192812.

It is an arithmetic number, because the mean of its divisors is an integer number (1170748800).

Almost surely, 2^16131780707 is an apocalyptic number.

16131780707 is a deficient number, since it is larger than the sum of its proper divisors (2600200093).

16131780707 is a wasteful number, since it uses less digits than its factorization.

16131780707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123026.

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 16131780707 in words is "sixteen billion, one hundred thirty-one million, seven hundred eighty thousand, seven hundred seven".