1163658412 has 96 divisors (see below), whose sum is σ = 2495001600. Its totient is φ = 464175360.

The previous prime is 1163658371. The next prime is 1163658413. The reversal of 1163658412 is 2148563611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1163658413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6428962 + ... + 6429142.

It is an arithmetic number, because the mean of its divisors is an integer number (25989600).

Almost surely, 2^1163658412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163658412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247500800).

1163658412 is an abundant number, since it is smaller than the sum of its proper divisors (1331343188).

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

1163658412 is a wasteful number, since it uses less digits than its factorization.

1163658412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 1163658412 is about 34112.4377903427. The cubic root of 1163658412 is about 1051.8210008835.

The spelling of 1163658412 in words is "one billion, one hundred sixty-three million, six hundred fifty-eight thousand, four hundred twelve".