3806606809816 has 32 divisors (see below), whose sum is σ = 7145027310960. Its totient is φ = 1901266578432.

The previous prime is 3806606809717. The next prime is 3806606809949. The reversal of 3806606809816 is 6189086066083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114629871 + ... + 114663073.

Almost surely, 2^{3806606809816} is an apocalyptic number.

It is an amenable number.

3806606809816 is a deficient number, since it is larger than the sum of its proper divisors (3338420501144).

3806606809816 is a wasteful number, since it uses less digits than its factorization.

3806606809816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48115 (or 48111 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 3806606809816 in words is "three trillion, eight hundred six billion, six hundred six million, eight hundred nine thousand, eight hundred sixteen".