155681060 has 48 divisors (see below), whose sum is σ = 345643200. Its totient is φ = 58737024.

The previous prime is 155681051. The next prime is 155681081. The reversal of 155681060 is 60186551.

It is a happy 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, 101459 + ... + 102981.

It is an arithmetic number, because the mean of its divisors is an integer number (7200900).

Almost surely, 2^155681060 is an apocalyptic number.

155681060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155681060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172821600).

155681060 is an abundant number, since it is smaller than the sum of its proper divisors (189962140).

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

155681060 is a wasteful number, since it uses less digits than its factorization.

155681060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 155681060 is about 12477.2216458633. The cubic root of 155681060 is about 537.9541472694.

The spelling of 155681060 in words is "one hundred fifty-five million, six hundred eighty-one thousand, sixty".