1163990468 has 12 divisors (see below), whose sum is σ = 2071508880. Its totient is φ = 572130792.

The previous prime is 1163990461. The next prime is 1163990473. The reversal of 1163990468 is 8640993611.

It is not an unprimeable number, because it can be changed into a prime (1163990461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465846 + ... + 2466317.

It is an arithmetic number, because the mean of its divisors is an integer number (172625740).

Almost surely, 2^1163990468 is an apocalyptic number.

It is an amenable number.

1163990468 is a deficient number, since it is larger than the sum of its proper divisors (907518412).

1163990468 is a wasteful number, since it uses less digits than its factorization.

1163990468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932226 (or 4932224 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1163990468 is about 34117.3045242440. The cubic root of 1163990468 is about 1051.9210389057.

The spelling of 1163990468 in words is "one billion, one hundred sixty-three million, nine hundred ninety thousand, four hundred sixty-eight".