16232708737 has 4 divisors (see below), whose sum is σ = 18551667136. Its totient is φ = 13913750340.

The previous prime is 16232708731. The next prime is 16232708741. The reversal of 16232708737 is 73780723261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-16232708737 is a prime.

It is a super-2 number, since 2×16232708737² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16232708731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159479189 + ... + 1159479202.

It is an arithmetic number, because the mean of its divisors is an integer number (4637916784).

Almost surely, 2^16232708737 is an apocalyptic number.

It is an amenable number.

16232708737 is a deficient number, since it is larger than the sum of its proper divisors (2318958399).

16232708737 is an equidigital number, since it uses as much as digits as its factorization.

16232708737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318958398.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 16232708737 in words is "sixteen billion, two hundred thirty-two million, seven hundred eight thousand, seven hundred thirty-seven".