3606406938885 has 16 divisors (see below), whose sum is σ = 5793240156480. Its totient is φ = 1915754016000.

The previous prime is 3606406938851. The next prime is 3606406938889. The reversal of 3606406938885 is 5888396046063.

It is a happy number.

It is not a de Polignac number, because 3606406938885 - 2²¹ = 3606404841733 is a prime.

It is a super-2 number, since 2×3606406938885² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3606406938889) 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, 478934740 + ... + 478942269.

It is an arithmetic number, because the mean of its divisors is an integer number (362077509780).

Almost surely, 2^{3606406938885} is an apocalyptic number.

It is an amenable number.

3606406938885 is a deficient number, since it is larger than the sum of its proper divisors (2186833217595).

3606406938885 is a wasteful number, since it uses less digits than its factorization.

3606406938885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957877268.

The product of its (nonzero) digits is 179159040, while the sum is 66.

The spelling of 3606406938885 in words is "three trillion, six hundred six billion, four hundred six million, nine hundred thirty-eight thousand, eight hundred eighty-five".