16269204881 has 2 divisors, whose sum is σ = 16269204882. Its totient is φ = 16269204880.

The previous prime is 16269204869. The next prime is 16269204907. The reversal of 16269204881 is 18840296261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8229392656 + 8039812225 = 90716^2 + 89665^2 .

It is a cyclic number.

It is not a de Polignac number, because 16269204881 - 2¹⁰ = 16269203857 is a prime.

It is a super-2 number, since 2×16269204881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16269204811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8134602440 + 8134602441.

It is an arithmetic number, because the mean of its divisors is an integer number (8134602441).

Almost surely, 2^16269204881 is an apocalyptic number.

It is an amenable number.

16269204881 is a deficient number, since it is larger than the sum of its proper divisors (1).

16269204881 is an equidigital number, since it uses as much as digits as its factorization.

16269204881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 16269204881 in words is "sixteen billion, two hundred sixty-nine million, two hundred four thousand, eight hundred eighty-one".