1131660996 has 24 divisors (see below), whose sum is σ = 2755349184. Its totient is φ = 360819360.

The previous prime is 1131660991. The next prime is 1131661001. The reversal of 1131660996 is 6990661311.

It is an interprime number because it is at equal distance from previous prime (1131660991) and next prime (1131661001).

It is not an unprimeable number, because it can be changed into a prime (1131660991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2049835 + ... + 2050386.

It is an arithmetic number, because the mean of its divisors is an integer number (114806216).

Almost surely, 2^1131660996 is an apocalyptic number.

It is an amenable number.

1131660996 is an abundant number, since it is smaller than the sum of its proper divisors (1623688188).

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

1131660996 is a wasteful number, since it uses less digits than its factorization.

1131660996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100251 (or 4100249 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 1131660996 is about 33640.1693812620. The cubic root of 1131660996 is about 1042.0905299186.

The spelling of 1131660996 in words is "one billion, one hundred thirty-one million, six hundred sixty thousand, nine hundred ninety-six".