16162402643 has 2 divisors, whose sum is σ = 16162402644. Its totient is φ = 16162402642.

The previous prime is 16162402481. The next prime is 16162402661. The reversal of 16162402643 is 34620426161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16162402643 - 2¹² = 16162398547 is a prime.

It is a super-2 number, since 2×16162402643² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16162407643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8081201321 + 8081201322.

It is an arithmetic number, because the mean of its divisors is an integer number (8081201322).

Almost surely, 2^16162402643 is an apocalyptic number.

16162402643 is a deficient number, since it is larger than the sum of its proper divisors (1).

16162402643 is an equidigital number, since it uses as much as digits as its factorization.

16162402643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 16162402643 in words is "sixteen billion, one hundred sixty-two million, four hundred two thousand, six hundred forty-three".