1163322660 has 24 divisors (see below), whose sum is σ = 3257303616. Its totient is φ = 310219360.

The previous prime is 1163322659. The next prime is 1163322691. The reversal of 1163322660 is 662233611.

It is a super-2 number, since 2×1163322660² = 2706639222538951200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9694296 + ... + 9694415.

It is an arithmetic number, because the mean of its divisors is an integer number (135720984).

Almost surely, 2^1163322660 is an apocalyptic number.

1163322660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163322660 is an abundant number, since it is smaller than the sum of its proper divisors (2093980956).

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

1163322660 is a wasteful number, since it uses less digits than its factorization.

1163322660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19388723 (or 19388721 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1163322660 is about 34107.5161804550. The cubic root of 1163322660 is about 1051.7198300211.

The spelling of 1163322660 in words is "one billion, one hundred sixty-three million, three hundred twenty-two thousand, six hundred sixty".