11661832790 has 16 divisors (see below), whose sum is σ = 21558632112. Its totient is φ = 4538659104.

The previous prime is 11661832783. The next prime is 11661832801. The reversal of 11661832790 is 9723816611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15758864 + ... + 15759603.

It is an arithmetic number, because the mean of its divisors is an integer number (1347414507).

Almost surely, 2^11661832790 is an apocalyptic number.

11661832790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11661832790 is a deficient number, since it is larger than the sum of its proper divisors (9896799322).

11661832790 is a wasteful number, since it uses less digits than its factorization.

11661832790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31518511.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 11661832790 in words is "eleven billion, six hundred sixty-one million, eight hundred thirty-two thousand, seven hundred ninety".