181400106768 has 40 divisors (see below), whose sum is σ = 480046629216. Its totient is φ = 58991904000.

The previous prime is 181400106763. The next prime is 181400106791. The reversal of 181400106768 is 867601004181.

It is not an unprimeable number, because it can be changed into a prime (181400106763) 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, 46085458 + ... + 46089393.

Almost surely, 2^181400106768 is an apocalyptic number.

It is an amenable number.

181400106768 is an abundant number, since it is smaller than the sum of its proper divisors (298646522448).

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

181400106768 is a wasteful number, since it uses less digits than its factorization.

181400106768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92174903 (or 92174897 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 181400106768 in words is "one hundred eighty-one billion, four hundred million, one hundred six thousand, seven hundred sixty-eight".