1163974435020 has 192 divisors, whose sum is σ = 3738980044800. Its totient is φ = 300307253760.

The previous prime is 1163974434991. The next prime is 1163974435031. The reversal of 1163974435020 is 205344793611.

1163974435020 is a `hidden beast` number, since 1 + 1 + 6 + 39 + 74 + 43 + 502 + 0 = 666.

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

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, 116287776 + ... + 116297784.

It is an arithmetic number, because the mean of its divisors is an integer number (19473854400).

Almost surely, 2^{1163974435020} is an apocalyptic number.

1163974435020 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 1163974435020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1869490022400).

1163974435020 is an abundant number, since it is smaller than the sum of its proper divisors (2575005609780).

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

1163974435020 is a wasteful number, since it uses less digits than its factorization.

1163974435020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17005 (or 16997 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 1163974435020 in words is "one trillion, one hundred sixty-three billion, nine hundred seventy-four million, four hundred thirty-five thousand, twenty".