168020154 has 48 divisors (see below), whose sum is σ = 384415200. Its totient is φ = 52891488.

The previous prime is 168020143. The next prime is 168020161. The reversal of 168020154 is 451020861.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150952 + ... + 152060.

It is an arithmetic number, because the mean of its divisors is an integer number (8008650).

Almost surely, 2^168020154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168020154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192207600).

168020154 is an abundant number, since it is smaller than the sum of its proper divisors (216395046).

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

168020154 is a wasteful number, since it uses less digits than its factorization.

168020154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 168020154 is about 12962.2588309291. The cubic root of 168020154 is about 551.8068992185.

The spelling of 168020154 in words is "one hundred sixty-eight million, twenty thousand, one hundred fifty-four".