163240166264 has 64 divisors (see below), whose sum is σ = 358682069760. Its totient is φ = 68205265920.

The previous prime is 163240166207. The next prime is 163240166267. The reversal of 163240166264 is 462661042361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163240166267) 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, 139679 + ... + 588209.

It is an arithmetic number, because the mean of its divisors is an integer number (5604407340).

Almost surely, 2^163240166264 is an apocalyptic number.

163240166264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163240166264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179341034880).

163240166264 is an abundant number, since it is smaller than the sum of its proper divisors (195441903496).

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

163240166264 is a wasteful number, since it uses less digits than its factorization.

163240166264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448708 (or 448704 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 163240166264 in words is "one hundred sixty-three billion, two hundred forty million, one hundred sixty-six thousand, two hundred sixty-four".