168400739006 has 8 divisors (see below), whose sum is σ = 252706850760. Its totient is φ = 84165122088.

The previous prime is 168400738999. The next prime is 168400739041. The reversal of 168400739006 is 600937004861.

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

It is a congruent number.

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, 17617736 + ... + 17627291.

It is an arithmetic number, because the mean of its divisors is an integer number (31588356345).

Almost surely, 2^168400739006 is an apocalyptic number.

168400739006 is a deficient number, since it is larger than the sum of its proper divisors (84306111754).

168400739006 is a wasteful number, since it uses less digits than its factorization.

168400739006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35247418.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 168400739006 in words is "one hundred sixty-eight billion, four hundred million, seven hundred thirty-nine thousand, six".