181016474 has 8 divisors (see below), whose sum is σ = 273094740. Its totient is φ = 89984896.

The previous prime is 181016461. The next prime is 181016483. The reversal of 181016474 is 474610181.

181016474 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 2 ways, for example, as 177076249 + 3940225 = 13307^2 + 1985^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 181016474.

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, 261239 + ... + 261930.

Almost surely, 2^181016474 is an apocalyptic number.

181016474 is a deficient number, since it is larger than the sum of its proper divisors (92078266).

181016474 is a wasteful number, since it uses less digits than its factorization.

181016474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523344.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 181016474 is about 13454.2362845314. The cubic root of 181016474 is about 565.6824437004.

The spelling of 181016474 in words is "one hundred eighty-one million, sixteen thousand, four hundred seventy-four".