1131916680 has 80 divisors (see below), whose sum is σ = 3804508620. Its totient is φ = 301843584.

The previous prime is 1131916679. The next prime is 1131916699. The reversal of 1131916680 is 866191311.

It is a happy number.

1131916680 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1124529156 + 7387524 = 33534^2 + 2718^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 171439 + ... + 177918.

Almost surely, 2^1131916680 is an apocalyptic number.

1131916680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131916680 is an abundant number, since it is smaller than the sum of its proper divisors (2672591940).

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

1131916680 is a wasteful number, since it uses less digits than its factorization.

1131916680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349380 (or 349367 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1131916680 is about 33643.9694447608. The cubic root of 1131916680 is about 1042.1690062502.

The spelling of 1131916680 in words is "one billion, one hundred thirty-one million, nine hundred sixteen thousand, six hundred eighty".