11660719650 has 48 divisors (see below), whose sum is σ = 29031204384. Its totient is φ = 3097415680.

The previous prime is 11660719639. The next prime is 11660719669. The reversal of 11660719650 is 5691706611.

It is a super-2 number, since 2×11660719650² (a number of 21 digits) contains 22 as substring.

It is a Curzon 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, 112692 + ... + 189791.

It is an arithmetic number, because the mean of its divisors is an integer number (604816758).

Almost surely, 2^11660719650 is an apocalyptic number.

11660719650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11660719650 is an abundant number, since it is smaller than the sum of its proper divisors (17370484734).

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

11660719650 is a wasteful number, since it uses less digits than its factorization.

11660719650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302755 (or 302750 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 11660719650 in words is "eleven billion, six hundred sixty million, seven hundred nineteen thousand, six hundred fifty".