150168961 has 2 divisors, whose sum is σ = 150168962. Its totient is φ = 150168960.

The previous prime is 150168919. The next prime is 150168979. The reversal of 150168961 is 169861051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76895361 + 73273600 = 8769^2 + 8560^2 .

It is a cyclic number.

It is not a de Polignac number, because 150168961 - 2⁷ = 150168833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150168961.

It is not a weakly prime, because it can be changed into another prime (150168661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75084480 + 75084481.

It is an arithmetic number, because the mean of its divisors is an integer number (75084481).

Almost surely, 2^150168961 is an apocalyptic number.

It is an amenable number.

150168961 is a deficient number, since it is larger than the sum of its proper divisors (1).

150168961 is an equidigital number, since it uses as much as digits as its factorization.

150168961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 150168961 is about 12254.3445765165. The cubic root of 150168961 is about 531.5287073491.

The spelling of 150168961 in words is "one hundred fifty million, one hundred sixty-eight thousand, nine hundred sixty-one".