3440685161 has 16 divisors (see below), whose sum is σ = 3612660480. Its totient is φ = 3270653760.

The previous prime is 3440685113. The next prime is 3440685169. The reversal of 3440685161 is 1615860443.

It is a cyclic number.

It is not a de Polignac number, because 3440685161 - 2¹⁸ = 3440423017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440685169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336716 + ... + 3337746.

It is an arithmetic number, because the mean of its divisors is an integer number (225791280).

Almost surely, 2^3440685161 is an apocalyptic number.

It is an amenable number.

3440685161 is a deficient number, since it is larger than the sum of its proper divisors (171975319).

3440685161 is a wasteful number, since it uses less digits than its factorization.

3440685161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 3440685161 is about 58657.3538526927. The cubic root of 3440685161 is about 1509.6686788242.

The spelling of 3440685161 in words is "three billion, four hundred forty million, six hundred eighty-five thousand, one hundred sixty-one".