16465222639 has 2 divisors, whose sum is σ = 16465222640. Its totient is φ = 16465222638.

The previous prime is 16465222583. The next prime is 16465222643. The reversal of 16465222639 is 93622256461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16465222639 - 2⁷ = 16465222511 is a prime.

It is a super-2 number, since 2×16465222639² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16465222339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232611319 + 8232611320.

It is an arithmetic number, because the mean of its divisors is an integer number (8232611320).

Almost surely, 2^16465222639 is an apocalyptic number.

16465222639 is a deficient number, since it is larger than the sum of its proper divisors (1).

16465222639 is an equidigital number, since it uses as much as digits as its factorization.

16465222639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 46.

The spelling of 16465222639 in words is "sixteen billion, four hundred sixty-five million, two hundred twenty-two thousand, six hundred thirty-nine".