1881325206 has 48 divisors (see below), whose sum is σ = 4169121840. Its totient is φ = 612905280.

The previous prime is 1881325189. The next prime is 1881325211. The reversal of 1881325206 is 6025231881.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252961 + ... + 260291.

It is an arithmetic number, because the mean of its divisors is an integer number (86856705).

Almost surely, 2^1881325206 is an apocalyptic number.

1881325206 is an abundant number, since it is smaller than the sum of its proper divisors (2287796634).

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

1881325206 is a wasteful number, since it uses less digits than its factorization.

1881325206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661 (or 7658 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1881325206 is about 43374.2458839344. The cubic root of 1881325206 is about 1234.4910852624.

The spelling of 1881325206 in words is "one billion, eight hundred eighty-one million, three hundred twenty-five thousand, two hundred six".