151481893868 has 12 divisors (see below), whose sum is σ = 265815641952. Its totient is φ = 75534567600.

The previous prime is 151481893861. The next prime is 151481893909. The reversal of 151481893868 is 868398184151.

It is a self number, because there is not a number n which added to its sum of digits gives 151481893868.

It is not an unprimeable number, because it can be changed into a prime (151481893861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51593183 + ... + 51596118.

It is an arithmetic number, because the mean of its divisors is an integer number (22151303496).

Almost surely, 2^151481893868 is an apocalyptic number.

It is an amenable number.

151481893868 is a deficient number, since it is larger than the sum of its proper divisors (114333748084).

151481893868 is a wasteful number, since it uses less digits than its factorization.

151481893868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103189672 (or 103189670 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 62.

The spelling of 151481893868 in words is "one hundred fifty-one billion, four hundred eighty-one million, eight hundred ninety-three thousand, eight hundred sixty-eight".