16531061153 has 2 divisors, whose sum is σ = 16531061154. Its totient is φ = 16531061152.

The previous prime is 16531061047. The next prime is 16531061177. The reversal of 16531061153 is 35116013561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10183433569 + 6347627584 = 100913^2 + 79672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16531061153 is a prime.

It is not a weakly prime, because it can be changed into another prime (16531069153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265530576 + 8265530577.

It is an arithmetic number, because the mean of its divisors is an integer number (8265530577).

Almost surely, 2^16531061153 is an apocalyptic number.

It is an amenable number.

16531061153 is a deficient number, since it is larger than the sum of its proper divisors (1).

16531061153 is an equidigital number, since it uses as much as digits as its factorization.

16531061153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 16531061153 in words is "sixteen billion, five hundred thirty-one million, sixty-one thousand, one hundred fifty-three".