162178084220 has 24 divisors (see below), whose sum is σ = 340599434784. Its totient is φ = 64866384576.

The previous prime is 162178084183. The next prime is 162178084241. The reversal of 162178084220 is 22480871261.

It is a congruent number.

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, 22487 + ... + 569966.

It is an arithmetic number, because the mean of its divisors is an integer number (14191643116).

Almost surely, 2^162178084220 is an apocalyptic number.

162178084220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162178084220 is an abundant number, since it is smaller than the sum of its proper divisors (178421350564).

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

162178084220 is a wasteful number, since it uses less digits than its factorization.

162178084220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606149 (or 606147 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 162178084220 in words is "one hundred sixty-two billion, one hundred seventy-eight million, eighty-four thousand, two hundred twenty".