168874848642 has 128 divisors (see below), whose sum is σ = 371541012480. Its totient is φ = 50964526080.

The previous prime is 168874848641. The next prime is 168874848677. The reversal of 168874848642 is 246848478861.

It is not an unprimeable number, because it can be changed into a prime (168874848641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68452293 + ... + 68454759.

It is an arithmetic number, because the mean of its divisors is an integer number (2902664160).

Almost surely, 2^168874848642 is an apocalyptic number.

168874848642 is an abundant number, since it is smaller than the sum of its proper divisors (202666163838).

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

168874848642 is a wasteful number, since it uses less digits than its factorization.

168874848642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776.

The product of its digits is 132120576, while the sum is 66.

The spelling of 168874848642 in words is "one hundred sixty-eight billion, eight hundred seventy-four million, eight hundred forty-eight thousand, six hundred forty-two".