221412071164374 has 80 divisors (see below), whose sum is σ = 497272271958000. Its totient is φ = 73633850482176.

The previous prime is 221412071164337. The next prime is 221412071164393. The reversal of 221412071164374 is 473461170214122.

221412071164374 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 1 + 207 + 1 + 1 + 6 + 437 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 124702654 + ... + 126465710.

It is an arithmetic number, because the mean of its divisors is an integer number (6215903399475).

Almost surely, 2^{221412071164374} is an apocalyptic number.

221412071164374 is an abundant number, since it is smaller than the sum of its proper divisors (275860200793626).

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

221412071164374 is a wasteful number, since it uses less digits than its factorization.

221412071164374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764859 (or 1764850 counting only the distinct ones).

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

The spelling of 221412071164374 in words is "two hundred twenty-one trillion, four hundred twelve billion, seventy-one million, one hundred sixty-four thousand, three hundred seventy-four".