16312670851 has 2 divisors, whose sum is σ = 16312670852. Its totient is φ = 16312670850.

The previous prime is 16312670827. The next prime is 16312670939. The reversal of 16312670851 is 15807621361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16312670851 - 2⁵ = 16312670819 is a prime.

It is a super-2 number, since 2×16312670851² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16312670821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156335425 + 8156335426.

It is an arithmetic number, because the mean of its divisors is an integer number (8156335426).

Almost surely, 2^16312670851 is an apocalyptic number.

16312670851 is a deficient number, since it is larger than the sum of its proper divisors (1).

16312670851 is an equidigital number, since it uses as much as digits as its factorization.

16312670851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

It can be divided in two parts, 16312670 and 851, that added together give a square (16313521 = 4039²).

The spelling of 16312670851 in words is "sixteen billion, three hundred twelve million, six hundred seventy thousand, eight hundred fifty-one".