990696167 has 2 divisors, whose sum is σ = 990696168. Its totient is φ = 990696166.

The previous prime is 990696163. The next prime is 990696197. The reversal of 990696167 is 761696099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 990696167 - 2² = 990696163 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990696163) 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, 495348083 + 495348084.

It is an arithmetic number, because the mean of its divisors is an integer number (495348084).

Almost surely, 2^990696167 is an apocalyptic number.

990696167 is a deficient number, since it is larger than the sum of its proper divisors (1).

990696167 is an equidigital number, since it uses as much as digits as its factorization.

990696167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 990696167 is about 31475.3263207866. The cubic root of 990696167 is about 996.8890543866.

The spelling of 990696167 in words is "nine hundred ninety million, six hundred ninety-six thousand, one hundred sixty-seven".