151637668 has 48 divisors (see below), whose sum is σ = 327617920. Its totient is φ = 59802624.

The previous prime is 151637659. The next prime is 151637669. The reversal of 151637668 is 866736151.

It is not an unprimeable number, because it can be changed into a prime (151637669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224980 + ... + 225652.

Almost surely, 2^151637668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151637668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163808960).

151637668 is an abundant number, since it is smaller than the sum of its proper divisors (175980252).

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

151637668 is a wasteful number, since it uses less digits than its factorization.

151637668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1314 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 151637668 is about 12314.1247354410. The cubic root of 151637668 is about 533.2559365118.

The spelling of 151637668 in words is "one hundred fifty-one million, six hundred thirty-seven thousand, six hundred sixty-eight".