163748063738 has 16 divisors (see below), whose sum is σ = 281885495040. Its totient is φ = 69884109456.

The previous prime is 163748063737. The next prime is 163748063767. The reversal of 163748063738 is 837360847361.

It is a super-2 number, since 2×163748063738² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163748063737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24465881 + ... + 24472572.

It is an arithmetic number, because the mean of its divisors is an integer number (17617843440).

Almost surely, 2^163748063738 is an apocalyptic number.

163748063738 is a deficient number, since it is larger than the sum of its proper divisors (118137431302).

163748063738 is a wasteful number, since it uses less digits than its factorization.

163748063738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48938701.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 163748063738 in words is "one hundred sixty-three billion, seven hundred forty-eight million, sixty-three thousand, seven hundred thirty-eight".