1169939660 has 48 divisors (see below), whose sum is σ = 2614749984. Its totient is φ = 438187008.

The previous prime is 1169939653. The next prime is 1169939707. The reversal of 1169939660 is 669399611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1169939599 and 1169939608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58247 + ... + 75713.

It is an arithmetic number, because the mean of its divisors is an integer number (54473958).

Almost surely, 2^1169939660 is an apocalyptic number.

1169939660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1169939660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307374992).

1169939660 is an abundant number, since it is smaller than the sum of its proper divisors (1444810324).

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

1169939660 is a wasteful number, since it uses less digits than its factorization.

1169939660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17690 (or 17688 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 1169939660 is about 34204.3807135870. The cubic root of 1169939660 is about 1053.7101281991.

The spelling of 1169939660 in words is "one billion, one hundred sixty-nine million, nine hundred thirty-nine thousand, six hundred sixty".