16700036120731 has 4 divisors (see below), whose sum is σ = 16705741636512. Its totient is φ = 16694330604952.

The previous prime is 16700036120717. The next prime is 16700036120737. The reversal of 16700036120731 is 13702163000761.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16700036120731 is a prime.

It is a super-2 number, since 2×16700036120731² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16700036120737) 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, 2852753500 + ... + 2852759353.

It is an arithmetic number, because the mean of its divisors is an integer number (4176435409128).

Almost surely, 2^{16700036120731} is an apocalyptic number.

16700036120731 is a deficient number, since it is larger than the sum of its proper divisors (5705515781).

16700036120731 is an equidigital number, since it uses as much as digits as its factorization.

16700036120731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705515780.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 16700036120731 in words is "sixteen trillion, seven hundred billion, thirty-six million, one hundred twenty thousand, seven hundred thirty-one".