16274164409 has 2 divisors, whose sum is σ = 16274164410. Its totient is φ = 16274164408.

The previous prime is 16274164363. The next prime is 16274164469. The reversal of 16274164409 is 90446147261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16128238009 + 145926400 = 126997^2 + 12080^2 .

It is a cyclic number.

It is not a de Polignac number, because 16274164409 - 2¹² = 16274160313 is a prime.

It is a super-2 number, since 2×16274164409² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16274164409.

It is not a weakly prime, because it can be changed into another prime (16274164469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8137082204 + 8137082205.

It is an arithmetic number, because the mean of its divisors is an integer number (8137082205).

Almost surely, 2^16274164409 is an apocalyptic number.

It is an amenable number.

16274164409 is a deficient number, since it is larger than the sum of its proper divisors (1).

16274164409 is an equidigital number, since it uses as much as digits as its factorization.

16274164409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 16274164409 in words is "sixteen billion, two hundred seventy-four million, one hundred sixty-four thousand, four hundred nine".