16961036761 has 2 divisors, whose sum is σ = 16961036762. Its totient is φ = 16961036760.

The previous prime is 16961036749. The next prime is 16961036767. The reversal of 16961036761 is 16763016961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9444146761 + 7516890000 = 97181^2 + 86700^2 .

It is a cyclic number.

It is not a de Polignac number, because 16961036761 - 2⁷ = 16961036633 is a prime.

It is a super-2 number, since 2×16961036761² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (16961036767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8480518380 + 8480518381.

It is an arithmetic number, because the mean of its divisors is an integer number (8480518381).

Almost surely, 2^16961036761 is an apocalyptic number.

It is an amenable number.

16961036761 is a deficient number, since it is larger than the sum of its proper divisors (1).

16961036761 is an equidigital number, since it uses as much as digits as its factorization.

16961036761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 16961036761 in words is "sixteen billion, nine hundred sixty-one million, thirty-six thousand, seven hundred sixty-one".