961967159 has 2 divisors, whose sum is σ = 961967160. Its totient is φ = 961967158.

The previous prime is 961967141. The next prime is 961967221. The reversal of 961967159 is 951769169.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961967159 - 2¹⁶ = 961901623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 961967159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961967059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480983579 + 480983580.

It is an arithmetic number, because the mean of its divisors is an integer number (480983580).

Almost surely, 2^961967159 is an apocalyptic number.

961967159 is a deficient number, since it is larger than the sum of its proper divisors (1).

961967159 is an equidigital number, since it uses as much as digits as its factorization.

961967159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 53.

The square root of 961967159 is about 31015.5954158549. The cubic root of 961967159 is about 987.1581799151.

The spelling of 961967159 in words is "nine hundred sixty-one million, nine hundred sixty-seven thousand, one hundred fifty-nine".