168454061183140 has 48 divisors (see below), whose sum is σ = 354184536363840. Its totient is φ = 67299558480000.

The previous prime is 168454061183123. The next prime is 168454061183141. The reversal of 168454061183140 is 41381160454861.

It is not an unprimeable number, because it can be changed into a prime (168454061183141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86950015 + ... + 88866265.

It is an arithmetic number, because the mean of its divisors is an integer number (7378844507580).

Almost surely, 2^{168454061183140} is an apocalyptic number.

168454061183140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168454061183140 is an abundant number, since it is smaller than the sum of its proper divisors (185730475180700).

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

168454061183140 is a wasteful number, since it uses less digits than its factorization.

168454061183140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921612 (or 1921610 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 168454061183140 in words is "one hundred sixty-eight trillion, four hundred fifty-four billion, sixty-one million, one hundred eighty-three thousand, one hundred forty".