168865377322 has 16 divisors (see below), whose sum is σ = 270609092640. Its totient is φ = 78794998128.

The previous prime is 168865377287. The next prime is 168865377353. The reversal of 168865377322 is 223773568861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33160333 + ... + 33165424.

It is an arithmetic number, because the mean of its divisors is an integer number (16913068290).

Almost surely, 2^168865377322 is an apocalyptic number.

168865377322 is a deficient number, since it is larger than the sum of its proper divisors (101743715318).

168865377322 is a wasteful number, since it uses less digits than its factorization.

168865377322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66325845.

The product of its digits is 20321280, while the sum is 58.

The spelling of 168865377322 in words is "one hundred sixty-eight billion, eight hundred sixty-five million, three hundred seventy-seven thousand, three hundred twenty-two".