4161599 has 8 divisors (see below), whose sum is σ = 4512480. Its totient is φ = 3815136.

The previous prime is 4161593. The next prime is 4161607. The reversal of 4161599 is 9951614.

It is a Cunningham number, because it is equal to 2040²-1.

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

It is not a de Polignac number, because 4161599 - 2⁸ = 4161343 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161593) 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, 1022 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (564060).

Almost surely, 2^4161599 is an apocalyptic number.

4161599 is a deficient number, since it is larger than the sum of its proper divisors (350881).

4161599 is a wasteful number, since it uses less digits than its factorization.

4161599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its digits is 9720, while the sum is 35.

The square root of 4161599 is about 2039.9997549019. Note that the first 3 decimals coincide. The cubic root of 4161599 is about 160.8496339235.

It can be divided in two parts, 41615 and 99, that multiplied together give a triangular number (4119885 = T₂₈₇₀).

The spelling of 4161599 in words is "four million, one hundred sixty-one thousand, five hundred ninety-nine".