181051162994 has 32 divisors (see below), whose sum is σ = 294727842864. Its totient is φ = 82918656000.

The previous prime is 181051162993. The next prime is 181051163003. The reversal of 181051162994 is 499261150181.

181051162994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 30472240969 + 150578922025 = 174563^2 + 388045^2 .

It is not an unprimeable number, because it can be changed into a prime (181051162991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723994 + ... + 1825994.

Almost surely, 2^181051162994 is an apocalyptic number.

181051162994 is a deficient number, since it is larger than the sum of its proper divisors (113676679870).

181051162994 is a wasteful number, since it uses less digits than its factorization.

181051162994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102542.

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 181051162994 in words is "one hundred eighty-one billion, fifty-one million, one hundred sixty-two thousand, nine hundred ninety-four".