168954430466 has 16 divisors (see below), whose sum is σ = 255955235040. Its totient is φ = 83639273760.

The previous prime is 168954430441. The next prime is 168954430507. The reversal of 168954430466 is 664034459861.

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, 709640 + ... + 917331.

It is an arithmetic number, because the mean of its divisors is an integer number (15997202190).

Almost surely, 2^168954430466 is an apocalyptic number.

168954430466 is a deficient number, since it is larger than the sum of its proper divisors (87000804574).

168954430466 is a wasteful number, since it uses less digits than its factorization.

168954430466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627489.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 168954430466 in words is "one hundred sixty-eight billion, nine hundred fifty-four million, four hundred thirty thousand, four hundred sixty-six".