4165529085 has 24 divisors (see below), whose sum is σ = 7487669280. Its totient is φ = 2221614864.

The previous prime is 4165529003. The next prime is 4165529099. The reversal of 4165529085 is 5809255614.

4165529085 is a `hidden beast` number, since 4 + 1 + 6 + 552 + 90 + 8 + 5 = 666.

It is not a de Polignac number, because 4165529085 - 2¹³ = 4165520893 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 4165529085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1712995 + ... + 1715424.

It is an arithmetic number, because the mean of its divisors is an integer number (311986220).

Almost surely, 2^4165529085 is an apocalyptic number.

4165529085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4165529085 is a deficient number, since it is larger than the sum of its proper divisors (3322140195).

4165529085 is an equidigital number, since it uses as much as digits as its factorization.

4165529085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428439 (or 3428427 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 4165529085 is about 64540.9101655686. The cubic root of 4165529085 is about 1609.0025179436.

The spelling of 4165529085 in words is "four billion, one hundred sixty-five million, five hundred twenty-nine thousand, eighty-five".