1163245740 has 192 divisors, whose sum is σ = 3660733440. Its totient is φ = 274268160.

The previous prime is 1163245739. The next prime is 1163245771. The reversal of 1163245740 is 475423611.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3740185 + ... + 3740495.

It is an arithmetic number, because the mean of its divisors is an integer number (19066320).

Almost surely, 2^1163245740 is an apocalyptic number.

1163245740 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 1163245740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830366720).

1163245740 is an abundant number, since it is smaller than the sum of its proper divisors (2497487700).

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

1163245740 is a wasteful number, since it uses less digits than its factorization.

1163245740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1163245740 is about 34106.3885511204. The cubic root of 1163245740 is about 1051.6966492719.

The spelling of 1163245740 in words is "one billion, one hundred sixty-three million, two hundred forty-five thousand, seven hundred forty".