8474181165 has 48 divisors (see below), whose sum is σ = 16371201600. Its totient is φ = 4029820416.

The previous prime is 8474181091. The next prime is 8474181179. The reversal of 8474181165 is 5611814748.

8474181165 is a `hidden beast` number, since 8 + 474 + 18 + 1 + 165 = 666.

It is not a de Polignac number, because 8474181165 - 2⁸ = 8474180909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8474181165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276975 + ... + 306044.

It is an arithmetic number, because the mean of its divisors is an integer number (341066700).

Almost surely, 2^8474181165 is an apocalyptic number.

8474181165 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8474181165 is a deficient number, since it is larger than the sum of its proper divisors (7897020435).

8474181165 is a wasteful number, since it uses less digits than its factorization.

8474181165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583066 (or 583063 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 8474181165 is about 92055.3157889320. The cubic root of 8474181165 is about 2038.7591105419.

The spelling of 8474181165 in words is "eight billion, four hundred seventy-four million, one hundred eighty-one thousand, one hundred sixty-five".