1168537894738 has 8 divisors (see below), whose sum is σ = 1809348998400. Its totient is φ = 565421561940.

The previous prime is 1168537894703. The next prime is 1168537894751. The reversal of 1168537894738 is 8374987358611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1168537894738² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9423692638 + ... + 9423692761.

It is an arithmetic number, because the mean of its divisors is an integer number (226168624800).

Almost surely, 2^{1168537894738} is an apocalyptic number.

1168537894738 is a deficient number, since it is larger than the sum of its proper divisors (640811103662).

1168537894738 is a wasteful number, since it uses less digits than its factorization.

1168537894738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18847385432.

The product of its digits is 243855360, while the sum is 70.

The spelling of 1168537894738 in words is "one trillion, one hundred sixty-eight billion, five hundred thirty-seven million, eight hundred ninety-four thousand, seven hundred thirty-eight".