163630740534 has 8 divisors (see below), whose sum is σ = 327261481080. Its totient is φ = 54543580176.

The previous prime is 163630740517. The next prime is 163630740571. The reversal of 163630740534 is 435047036361.

It is a sphenic number, since it is the product of 3 distinct primes.

163630740534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13635895039 + ... + 13635895050.

It is an arithmetic number, because the mean of its divisors is an integer number (40907685135).

Almost surely, 2^163630740534 is an apocalyptic number.

163630740534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163630740534 is a wasteful number, since it uses less digits than its factorization.

163630740534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27271790094.

The product of its (nonzero) digits is 544320, while the sum is 42.

Adding to 163630740534 its reverse (435047036361), we get a palindrome (598677776895).

The spelling of 163630740534 in words is "one hundred sixty-three billion, six hundred thirty million, seven hundred forty thousand, five hundred thirty-four".