16116952453 has 12 divisors (see below), whose sum is σ = 18941578572. Its totient is φ = 13672108800.

The previous prime is 16116952451. The next prime is 16116952469. The reversal of 16116952453 is 35425961161.

It can be written as a sum of positive squares in 2 ways, for example, as 8902488609 + 7214463844 = 94353^2 + 84938^2 .

It is not a de Polignac number, because 16116952453 - 2¹ = 16116952451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16116952451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1690698 + ... + 1700203.

It is an arithmetic number, because the mean of its divisors is an integer number (1578464881).

Almost surely, 2^16116952453 is an apocalyptic number.

It is an amenable number.

16116952453 is a deficient number, since it is larger than the sum of its proper divisors (2824626119).

16116952453 is an equidigital number, since it uses as much as digits as its factorization.

16116952453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391012 (or 3391005 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The spelling of 16116952453 in words is "sixteen billion, one hundred sixteen million, nine hundred fifty-two thousand, four hundred fifty-three".