168664773046 has 128 divisors (see below), whose sum is σ = 349342212096. Its totient is φ = 59016122880.

The previous prime is 168664773041. The next prime is 168664773059. The reversal of 168664773046 is 640377466861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168664773041) 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, 26671641 + ... + 26677963.

It is an arithmetic number, because the mean of its divisors is an integer number (2729236032).

Almost surely, 2^168664773046 is an apocalyptic number.

168664773046 is an abundant number, since it is smaller than the sum of its proper divisors (180677439050).

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

168664773046 is a wasteful number, since it uses less digits than its factorization.

168664773046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 168664773046 in words is "one hundred sixty-eight billion, six hundred sixty-four million, seven hundred seventy-three thousand, forty-six".