151681368 has 32 divisors (see below), whose sum is σ = 392281200. Its totient is φ = 48816768.

The previous prime is 151681349. The next prime is 151681373. The reversal of 151681368 is 863186151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108271 + ... + 109662.

Almost surely, 2^151681368 is an apocalyptic number.

It is an amenable number.

151681368 is an abundant number, since it is smaller than the sum of its proper divisors (240599832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151681368 is a wasteful number, since it uses less digits than its factorization.

151681368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217971 (or 217967 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 151681368 is about 12315.8989927654. The cubic root of 151681368 is about 533.3071573959.

The spelling of 151681368 in words is "one hundred fifty-one million, six hundred eighty-one thousand, three hundred sixty-eight".