1163161242000 has 160 divisors (see below), whose sum is σ = 4166702242560. Its totient is φ = 310176316800.

The previous prime is 1163161241989. The next prime is 1163161242043. The reversal of 1163161242000 is 2421613611.

It is a happy number.

1163161242000 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 1 + 612 + 42 + 0 + 0 + 0 = 666.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10716012 + ... + 10824011.

It is an arithmetic number, because the mean of its divisors is an integer number (26041889016).

Almost surely, 2^{1163161242000} is an apocalyptic number.

1163161242000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163161242000 is an abundant number, since it is smaller than the sum of its proper divisors (3003541000560).

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

1163161242000 is a wasteful number, since it uses less digits than its factorization.

1163161242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21540055 (or 21540033 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 1163161242000 its reverse (2421613611), we get a palindrome (1165582855611).

The spelling of 1163161242000 in words is "one trillion, one hundred sixty-three billion, one hundred sixty-one million, two hundred forty-two thousand".