164243020144266 has 32 divisors (see below), whose sum is σ = 417125130526080. Its totient is φ = 46926577183968.

The previous prime is 164243020144241. The next prime is 164243020144279. The reversal of 164243020144266 is 662441020342461.

164243020144266 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 430 + 201 + 4 + 4 + 2 + 6 + 6 = 666.

It is a super-2 number, since 2×164243020144266² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217252671771 + ... + 217252672526.

It is an arithmetic number, because the mean of its divisors is an integer number (13035160328940).

Almost surely, 2^{164243020144266} is an apocalyptic number.

164243020144266 is an abundant number, since it is smaller than the sum of its proper divisors (252882110381814).

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

164243020144266 is a wasteful number, since it uses less digits than its factorization.

164243020144266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434505344315 (or 434505344309 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 164243020144266 in words is "one hundred sixty-four trillion, two hundred forty-three billion, twenty million, one hundred forty-four thousand, two hundred sixty-six".