151996018 has 16 divisors (see below), whose sum is σ = 239727960. Its totient is φ = 72172800.

The previous prime is 151995973. The next prime is 151996027. The reversal of 151996018 is 810699151.

It can be written as a sum of positive squares in 4 ways, for example, as 57653649 + 94342369 = 7593^2 + 9713^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17943 + ... + 25018.

Almost surely, 2^151996018 is an apocalyptic number.

151996018 is a deficient number, since it is larger than the sum of its proper divisors (87731942).

151996018 is a wasteful number, since it uses less digits than its factorization.

151996018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43053.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 151996018 is about 12328.6665134555. Note that the first 3 decimals coincide. The cubic root of 151996018 is about 533.6756693636.

The spelling of 151996018 in words is "one hundred fifty-one million, nine hundred ninety-six thousand, eighteen".