16046881453 has 2 divisors, whose sum is σ = 16046881454. Its totient is φ = 16046881452.

The previous prime is 16046881439. The next prime is 16046881531. The reversal of 16046881453 is 35418864061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8158244329 + 7888637124 = 90323^2 + 88818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16046881453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16046884453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8023440726 + 8023440727.

It is an arithmetic number, because the mean of its divisors is an integer number (8023440727).

Almost surely, 2^16046881453 is an apocalyptic number.

It is an amenable number.

16046881453 is a deficient number, since it is larger than the sum of its proper divisors (1).

16046881453 is an equidigital number, since it uses as much as digits as its factorization.

16046881453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 16046881453 in words is "sixteen billion, forty-six million, eight hundred eighty-one thousand, four hundred fifty-three".