1163966408 has 32 divisors (see below), whose sum is σ = 2410992000. Its totient is φ = 522375360.

The previous prime is 1163966407. The next prime is 1163966413. The reversal of 1163966408 is 8046693611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1163966407) 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, 76763 + ... + 90666.

It is an arithmetic number, because the mean of its divisors is an integer number (75343500).

Almost surely, 2^1163966408 is an apocalyptic number.

It is an amenable number.

1163966408 is an abundant number, since it is smaller than the sum of its proper divisors (1247025592).

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

1163966408 is a wasteful number, since it uses less digits than its factorization.

1163966408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167525 (or 167521 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1163966408 is about 34116.9519154335. The cubic root of 1163966408 is about 1051.9137910243.

The spelling of 1163966408 in words is "one billion, one hundred sixty-three million, nine hundred sixty-six thousand, four hundred eight".