4016185345 has 4 divisors (see below), whose sum is σ = 4819422420. Its totient is φ = 3212948272.

The previous prime is 4016185343. The next prime is 4016185367. The reversal of 4016185345 is 5435816104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2612334321 + 1403851024 = 51111^2 + 37468^2 .

It is a cyclic number.

It is not a de Polignac number, because 4016185345 - 2¹ = 4016185343 is a prime.

It is a super-2 number, since 2×4016185345² = 32259489450785538050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4016185343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401618530 + ... + 401618539.

It is an arithmetic number, because the mean of its divisors is an integer number (1204855605).

Almost surely, 2^4016185345 is an apocalyptic number.

It is an amenable number.

4016185345 is a deficient number, since it is larger than the sum of its proper divisors (803237075).

4016185345 is an equidigital number, since it uses as much as digits as its factorization.

4016185345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803237074.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 4016185345 is about 63373.3804132303. The cubic root of 4016185345 is about 1589.5392234425.

The spelling of 4016185345 in words is "four billion, sixteen million, one hundred eighty-five thousand, three hundred forty-five".