1341981660 has 48 divisors (see below), whose sum is σ = 3849203232. Its totient is φ = 349132800.

The previous prime is 1341981653. The next prime is 1341981673. The reversal of 1341981660 is 661891431.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270301 + ... + 275220.

It is an arithmetic number, because the mean of its divisors is an integer number (80191734).

Almost surely, 2^1341981660 is an apocalyptic number.

1341981660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341981660 is an abundant number, since it is smaller than the sum of its proper divisors (2507221572).

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

1341981660 is a wasteful number, since it uses less digits than its factorization.

1341981660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545574 (or 545572 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1341981660 is about 36633.0678485982. The cubic root of 1341981660 is about 1103.0169684884.

The spelling of 1341981660 in words is "one billion, three hundred forty-one million, nine hundred eighty-one thousand, six hundred sixty".