1163223367920 has 560 divisors, whose sum is σ = 4321445409792. Its totient is φ = 290377612800.

The previous prime is 1163223367819. The next prime is 1163223367979. The reversal of 1163223367920 is 297633223611.

1163223367920 is a `hidden beast` number, since 1 + 1 + 63 + 223 + 367 + 9 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 63034695 + ... + 63053145.

Almost surely, 2^{1163223367920} is an apocalyptic number.

1163223367920 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 1163223367920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160722704896).

1163223367920 is an abundant number, since it is smaller than the sum of its proper divisors (3158222041872).

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

1163223367920 is a wasteful number, since it uses less digits than its factorization.

1163223367920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18552 (or 18531 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 1163223367920 in words is "one trillion, one hundred sixty-three billion, two hundred twenty-three million, three hundred sixty-seven thousand, nine hundred twenty".