163546465134 has 128 divisors (see below), whose sum is σ = 385096384512. Its totient is φ = 45840936960.

The previous prime is 163546465127. The next prime is 163546465189. The reversal of 163546465134 is 431564645361.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6892639 + ... + 6916325.

It is an arithmetic number, because the mean of its divisors is an integer number (3008565504).

Almost surely, 2^163546465134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163546465134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192548192256).

163546465134 is an abundant number, since it is smaller than the sum of its proper divisors (221549919378).

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

163546465134 is a wasteful number, since it uses less digits than its factorization.

163546465134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23890.

The product of its digits is 3110400, while the sum is 48.

The spelling of 163546465134 in words is "one hundred sixty-three billion, five hundred forty-six million, four hundred sixty-five thousand, one hundred thirty-four".