16769017961 has 2 divisors, whose sum is σ = 16769017962. Its totient is φ = 16769017960.

The previous prime is 16769017943. The next prime is 16769017973. The reversal of 16769017961 is 16971096761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16726507561 + 42510400 = 129331^2 + 6520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16769017961 is a prime.

It is not a weakly prime, because it can be changed into another prime (16769017901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8384508980 + 8384508981.

It is an arithmetic number, because the mean of its divisors is an integer number (8384508981).

Almost surely, 2^16769017961 is an apocalyptic number.

It is an amenable number.

16769017961 is a deficient number, since it is larger than the sum of its proper divisors (1).

16769017961 is an equidigital number, since it uses as much as digits as its factorization.

16769017961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 16769017961 in words is "sixteen billion, seven hundred sixty-nine million, seventeen thousand, nine hundred sixty-one".