16162402447 has 2 divisors, whose sum is σ = 16162402448. Its totient is φ = 16162402446.

The previous prime is 16162402439. The next prime is 16162402463. The reversal of 16162402447 is 74420426161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16162402447 - 2³ = 16162402439 is a prime.

It is a super-2 number, since 2×16162402447² (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 (16162402747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8081201223 + 8081201224.

It is an arithmetic number, because the mean of its divisors is an integer number (8081201224).

Almost surely, 2^16162402447 is an apocalyptic number.

16162402447 is a deficient number, since it is larger than the sum of its proper divisors (1).

16162402447 is an equidigital number, since it uses as much as digits as its factorization.

16162402447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

It can be divided in two parts, 16162 and 402447, that added together give a square (418609 = 647²).

The spelling of 16162402447 in words is "sixteen billion, one hundred sixty-two million, four hundred two thousand, four hundred forty-seven".