168364195974 has 96 divisors (see below), whose sum is σ = 414559474560. Its totient is φ = 50599497312.

The previous prime is 168364195921. The next prime is 168364195997. The reversal of 168364195974 is 479591463861.

168364195974 is a `hidden beast` number, since 1 + 6 + 8 + 36 + 4 + 1 + 9 + 597 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177897 + ... + 606939.

It is an arithmetic number, because the mean of its divisors is an integer number (4318327860).

Almost surely, 2^168364195974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168364195974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207279737280).

168364195974 is an abundant number, since it is smaller than the sum of its proper divisors (246195278586).

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

168364195974 is a wasteful number, since it uses less digits than its factorization.

168364195974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429123 (or 429104 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 168364195974 in words is "one hundred sixty-eight billion, three hundred sixty-four million, one hundred ninety-five thousand, nine hundred seventy-four".