167760961 has 2 divisors, whose sum is σ = 167760962. Its totient is φ = 167760960.

The previous prime is 167760949. The next prime is 167761039. The reversal of 167760961 is 169067761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140564736 + 27196225 = 11856^2 + 5215^2 .

It is an emirp because it is prime and its reverse (169067761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167760961 - 2⁷ = 167760833 is a prime.

It is not a weakly prime, because it can be changed into another prime (167760361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83880480 + 83880481.

It is an arithmetic number, because the mean of its divisors is an integer number (83880481).

Almost surely, 2^167760961 is an apocalyptic number.

It is an amenable number.

167760961 is a deficient number, since it is larger than the sum of its proper divisors (1).

167760961 is an equidigital number, since it uses as much as digits as its factorization.

167760961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 167760961 is about 12952.2569847884. The cubic root of 167760961 is about 551.5230084868.

The spelling of 167760961 in words is "one hundred sixty-seven million, seven hundred sixty thousand, nine hundred sixty-one".