1163064994 has 64 divisors (see below), whose sum is σ = 2209939200. Its totient is φ = 446865408.

The previous prime is 1163064983. The next prime is 1163065009. The reversal of 1163064994 is 4994603611.

It is a self number, because there is not a number n which added to its sum of digits gives 1163064994.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 955074 + ... + 956290.

It is an arithmetic number, because the mean of its divisors is an integer number (34530300).

Almost surely, 2^1163064994 is an apocalyptic number.

1163064994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1163064994 is a deficient number, since it is larger than the sum of its proper divisors (1046874206).

1163064994 is a wasteful number, since it uses less digits than its factorization.

1163064994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1163064994 is about 34103.7387100007. The cubic root of 1163064994 is about 1051.6421753110.

The spelling of 1163064994 in words is "one billion, one hundred sixty-three million, sixty-four thousand, nine hundred ninety-four".