181070047 has 6 divisors (see below), whose sum is σ = 182108904. Its totient is φ = 180037080.

The previous prime is 181070041. The next prime is 181070051. The reversal of 181070047 is 740070181.

It is not a de Polignac number, because 181070047 - 2⁷ = 181069919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 181069997 and 181070024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181070041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29998 + ... + 35524.

It is an arithmetic number, because the mean of its divisors is an integer number (30351484).

Almost surely, 2^181070047 is an apocalyptic number.

181070047 is a deficient number, since it is larger than the sum of its proper divisors (1038857).

181070047 is an frugal number, since it uses more digits than its factorization.

181070047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 181070047 is about 13456.2270715086. The cubic root of 181070047 is about 565.7382439925.

The spelling of 181070047 in words is "one hundred eighty-one million, seventy thousand, forty-seven".