16474364761 has 2 divisors, whose sum is σ = 16474364762. Its totient is φ = 16474364760.

The previous prime is 16474364759. The next prime is 16474364771. The reversal of 16474364761 is 16746347461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15312577536 + 1161787225 = 123744^2 + 34085^2 .

It is an emirp because it is prime and its reverse (16746347461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16474364761 - 2¹ = 16474364759 is a prime.

Together with 16474364759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16474364771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8237182380 + 8237182381.

It is an arithmetic number, because the mean of its divisors is an integer number (8237182381).

Almost surely, 2^16474364761 is an apocalyptic number.

It is an amenable number.

16474364761 is a deficient number, since it is larger than the sum of its proper divisors (1).

16474364761 is an equidigital number, since it uses as much as digits as its factorization.

16474364761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 49.

The spelling of 16474364761 in words is "sixteen billion, four hundred seventy-four million, three hundred sixty-four thousand, seven hundred sixty-one".