2001191588 has 12 divisors (see below), whose sum is σ = 3820456752. Its totient is φ = 909632520.

The previous prime is 2001191579. The next prime is 2001191593. The reversal of 2001191588 is 8851911002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22740770 + ... + 22740857.

It is an arithmetic number, because the mean of its divisors is an integer number (318371396).

Almost surely, 2^2001191588 is an apocalyptic number.

It is an amenable number.

2001191588 is a deficient number, since it is larger than the sum of its proper divisors (1819265164).

2001191588 is a wasteful number, since it uses less digits than its factorization.

2001191588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45481642 (or 45481640 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 2001191588 is about 44734.6799250872. The cubic root of 2001191588 is about 1260.1712180192.

The spelling of 2001191588 in words is "two billion, one million, one hundred ninety-one thousand, five hundred eighty-eight".