16131955913 has 2 divisors, whose sum is σ = 16131955914. Its totient is φ = 16131955912.

The previous prime is 16131955907. The next prime is 16131955919. The reversal of 16131955913 is 31955913161.

It is a balanced prime because it is at equal distance from previous prime (16131955907) and next prime (16131955919).

It can be written as a sum of positive squares in only one way, i.e., 15949921849 + 182034064 = 126293^2 + 13492^2 .

It is a cyclic number.

It is not a de Polignac number, because 16131955913 - 2⁶ = 16131955849 is a prime.

It is not a weakly prime, because it can be changed into another prime (16131955919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065977956 + 8065977957.

It is an arithmetic number, because the mean of its divisors is an integer number (8065977957).

Almost surely, 2^16131955913 is an apocalyptic number.

It is an amenable number.

16131955913 is a deficient number, since it is larger than the sum of its proper divisors (1).

16131955913 is an equidigital number, since it uses as much as digits as its factorization.

16131955913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109350, while the sum is 44.

The spelling of 16131955913 in words is "sixteen billion, one hundred thirty-one million, nine hundred fifty-five thousand, nine hundred thirteen".