168018838 has 8 divisors (see below), whose sum is σ = 271415088. Its totient is φ = 77547144.

The previous prime is 168018797. The next prime is 168018857. The reversal of 168018838 is 838810861.

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

It is a junction number, because it is equal to n+sod(n) for n = 168018794 and 168018803.

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, 3231106 + ... + 3231157.

It is an arithmetic number, because the mean of its divisors is an integer number (33926886).

Almost surely, 2^168018838 is an apocalyptic number.

168018838 is a deficient number, since it is larger than the sum of its proper divisors (103396250).

168018838 is a wasteful number, since it uses less digits than its factorization.

168018838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6462278.

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 168018838 is about 12962.2080680724. The cubic root of 168018838 is about 551.8054585584.

The spelling of 168018838 in words is "one hundred sixty-eight million, eighteen thousand, eight hundred thirty-eight".