185116047 has 8 divisors (see below), whose sum is σ = 246986544. Its totient is φ = 123328128.

The previous prime is 185116037. The next prime is 185116049. The reversal of 185116047 is 740611581.

It is a happy number.

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

It is not a de Polignac number, because 185116047 - 2⁷ = 185115919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185115999 and 185116017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185116049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15208 + ... + 24525.

It is an arithmetic number, because the mean of its divisors is an integer number (30873318).

Almost surely, 2^185116047 is an apocalyptic number.

185116047 is a deficient number, since it is larger than the sum of its proper divisors (61870497).

185116047 is a wasteful number, since it uses less digits than its factorization.

185116047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41289.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 185116047 is about 13605.7358125167. The cubic root of 185116047 is about 569.9210386158.

The spelling of 185116047 in words is "one hundred eighty-five million, one hundred sixteen thousand, forty-seven".