151601660 has 48 divisors (see below), whose sum is σ = 372320256. Its totient is φ = 50766912.

The previous prime is 151601657. The next prime is 151601701. The reversal of 151601660 is 66106151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6572 + ... + 18611.

It is an arithmetic number, because the mean of its divisors is an integer number (7756672).

Almost surely, 2^151601660 is an apocalyptic number.

151601660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151601660 is an abundant number, since it is smaller than the sum of its proper divisors (220718596).

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

151601660 is a wasteful number, since it uses less digits than its factorization.

151601660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25242 (or 25240 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 151601660 is about 12312.6625877590. The cubic root of 151601660 is about 533.2137240456.

The spelling of 151601660 in words is "one hundred fifty-one million, six hundred one thousand, six hundred sixty".