2722146164172 has 18 divisors (see below), whose sum is σ = 6880980581748. Its totient is φ = 907382054712.

The previous prime is 2722146164159. The next prime is 2722146164237. The reversal of 2722146164172 is 2714616412272.

2722146164172 is a `hidden beast` number, since 2 + 7 + 2 + 2 + 14 + 616 + 4 + 17 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37807585578 + ... + 37807585649.

It is an arithmetic number, because the mean of its divisors is an integer number (382276698986).

Almost surely, 2^{2722146164172} is an apocalyptic number.

It is an amenable number.

2722146164172 is an abundant number, since it is smaller than the sum of its proper divisors (4158834417576).

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

2722146164172 is a wasteful number, since it uses less digits than its factorization.

2722146164172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75615171237 (or 75615171232 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The spelling of 2722146164172 in words is "two trillion, seven hundred twenty-two billion, one hundred forty-six million, one hundred sixty-four thousand, one hundred seventy-two".