1941159688 has 48 divisors (see below), whose sum is σ = 4173069780. Its totient is φ = 843208704.

The previous prime is 1941159613. The next prime is 1941159697. The reversal of 1941159688 is 8869511491.

It can be written as a sum of positive squares in 6 ways, for example, as 649332324 + 1291827364 = 25482^2 + 35942^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19245 + ... + 65212.

Almost surely, 2^1941159688 is an apocalyptic number.

It is an amenable number.

1941159688 is an abundant number, since it is smaller than the sum of its proper divisors (2231910092).

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

1941159688 is a wasteful number, since it uses less digits than its factorization.

1941159688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84506 (or 84489 counting only the distinct ones).

The product of its digits is 622080, while the sum is 52.

The square root of 1941159688 is about 44058.5938041604. The cubic root of 1941159688 is about 1247.4421696800.

The spelling of 1941159688 in words is "one billion, nine hundred forty-one million, one hundred fifty-nine thousand, six hundred eighty-eight".