1163636023980 has 24 divisors (see below), whose sum is σ = 3258180867312. Its totient is φ = 310302939712.

The previous prime is 1163636023967. The next prime is 1163636023981. The reversal of 1163636023980 is 893206363611.

It is not an unprimeable number, because it can be changed into a prime (1163636023981) 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, 9696966807 + ... + 9696966926.

It is an arithmetic number, because the mean of its divisors is an integer number (135757536138).

Almost surely, 2^{1163636023980} is an apocalyptic number.

1163636023980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163636023980 is an abundant number, since it is smaller than the sum of its proper divisors (2094544843332).

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

1163636023980 is a wasteful number, since it uses less digits than its factorization.

1163636023980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19393933745 (or 19393933743 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 1163636023980 in words is "one trillion, one hundred sixty-three billion, six hundred thirty-six million, twenty-three thousand, nine hundred eighty".