163121360330 has 8 divisors (see below), whose sum is σ = 293618448612. Its totient is φ = 65248544128.

The previous prime is 163121360309. The next prime is 163121360393. The reversal of 163121360330 is 33063121361.

It can be written as a sum of positive squares in 2 ways, for example, as 146158642249 + 16962718081 = 382307^2 + 130241^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 163121360293 and 163121360302.

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, 8156068007 + ... + 8156068026.

Almost surely, 2^163121360330 is an apocalyptic number.

163121360330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163121360330 is a deficient number, since it is larger than the sum of its proper divisors (130497088282).

163121360330 is a wasteful number, since it uses less digits than its factorization.

163121360330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16312136040.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 163121360330 its reverse (33063121361), we get a palindrome (196184481691).

The spelling of 163121360330 in words is "one hundred sixty-three billion, one hundred twenty-one million, three hundred sixty thousand, three hundred thirty".