163513734164 has 48 divisors (see below), whose sum is σ = 314677440000. Its totient is φ = 73726130400.

The previous prime is 163513734161. The next prime is 163513734169. The reversal of 163513734164 is 461437315361.

It is a happy number.

163513734164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163513734161) 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, 19011137 + ... + 19019735.

It is an arithmetic number, because the mean of its divisors is an integer number (6555780000).

Almost surely, 2^163513734164 is an apocalyptic number.

It is an amenable number.

163513734164 is a deficient number, since it is larger than the sum of its proper divisors (151163705836).

163513734164 is a wasteful number, since it uses less digits than its factorization.

163513734164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12044 (or 12042 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The spelling of 163513734164 in words is "one hundred sixty-three billion, five hundred thirteen million, seven hundred thirty-four thousand, one hundred sixty-four".