151968817 has 16 divisors (see below), whose sum is σ = 204043392. Its totient is φ = 109307520.

The previous prime is 151968809. The next prime is 151968827. The reversal of 151968817 is 718869151.

It is not a de Polignac number, because 151968817 - 2³ = 151968809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151968827) 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 in 15 ways as a sum of consecutive naturals, for example, 74908 + ... + 76909.

It is an arithmetic number, because the mean of its divisors is an integer number (12752712).

Almost surely, 2^151968817 is an apocalyptic number.

It is an amenable number.

151968817 is a deficient number, since it is larger than the sum of its proper divisors (52074575).

151968817 is a wasteful number, since it uses less digits than its factorization.

151968817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151848.

The product of its digits is 120960, while the sum is 46.

The square root of 151968817 is about 12327.5633034270. The cubic root of 151968817 is about 533.6438321745.

The spelling of 151968817 in words is "one hundred fifty-one million, nine hundred sixty-eight thousand, eight hundred seventeen".