163081880427010 has 16 divisors (see below), whose sum is σ = 293834894468472. Its totient is φ = 65168861126400.

The previous prime is 163081880426987. The next prime is 163081880427013. The reversal of 163081880427010 is 10724088180361.

It can be written as a sum of positive squares in 4 ways, for example, as 103787214135201 + 59294666291809 = 10187601^2 + 7700303^2 .

It is not an unprimeable number, because it can be changed into a prime (163081880427013) 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, 7986369831 + ... + 7986390250.

Almost surely, 2^{163081880427010} is an apocalyptic number.

163081880427010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163081880427010 is a deficient number, since it is larger than the sum of its proper divisors (130753014041462).

163081880427010 is a wasteful number, since it uses less digits than its factorization.

163081880427010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15972761109.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 163081880427010 in words is "one hundred sixty-three trillion, eighty-one billion, eight hundred eighty million, four hundred twenty-seven thousand, ten".