168131825042 has 8 divisors (see below), whose sum is σ = 252201495936. Its totient is φ = 84064659732.

The previous prime is 168131825011. The next prime is 168131825051. The reversal of 168131825042 is 240528131861.

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

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, 448538 + ... + 733109.

It is an arithmetic number, because the mean of its divisors is an integer number (31525186992).

Almost surely, 2^168131825042 is an apocalyptic number.

168131825042 is a deficient number, since it is larger than the sum of its proper divisors (84069670894).

168131825042 is a wasteful number, since it uses less digits than its factorization.

168131825042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252792.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 168131825042 in words is "one hundred sixty-eight billion, one hundred thirty-one million, eight hundred twenty-five thousand, forty-two".