16050313865 has 4 divisors (see below), whose sum is σ = 19260376644. Its totient is φ = 12840251088.

The previous prime is 16050313847. The next prime is 16050313901. The reversal of 16050313865 is 56831305061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6526700944 + 9523612921 = 80788^2 + 97589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16050313865 is a prime.

It is a super-2 number, since 2×16050313865² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605031382 + ... + 1605031391.

It is an arithmetic number, because the mean of its divisors is an integer number (4815094161).

Almost surely, 2^16050313865 is an apocalyptic number.

It is an amenable number.

16050313865 is a deficient number, since it is larger than the sum of its proper divisors (3210062779).

16050313865 is an equidigital number, since it uses as much as digits as its factorization.

16050313865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210062778.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 16050313865 in words is "sixteen billion, fifty million, three hundred thirteen thousand, eight hundred sixty-five".