1163160440 has 64 divisors (see below), whose sum is σ = 2846460960. Its totient is φ = 425203200.

The previous prime is 1163160433. The next prime is 1163160497. The reversal of 1163160440 is 440613611.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41447 + ... + 63593.

Almost surely, 2^1163160440 is an apocalyptic number.

1163160440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163160440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423230480).

1163160440 is an abundant number, since it is smaller than the sum of its proper divisors (1683300520).

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

1163160440 is a wasteful number, since it uses less digits than its factorization.

1163160440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272 (or 22268 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1163160440 is about 34105.1380293351. The cubic root of 1163160440 is about 1051.6709419159.

The spelling of 1163160440 in words is "one billion, one hundred sixty-three million, one hundred sixty thousand, four hundred forty".