3816606812505 has 8 divisors (see below), whose sum is σ = 6106570900032. Its totient is φ = 2035523633328.

The previous prime is 3816606812449. The next prime is 3816606812531. The reversal of 3816606812505 is 5052186066183.

It is a happy number.

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

It is not a de Polignac number, because 3816606812505 - 2⁶ = 3816606812441 is a prime.

It is a super-2 number, since 2×3816606812505² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127220227069 + ... + 127220227098.

It is an arithmetic number, because the mean of its divisors is an integer number (763321362504).

Almost surely, 2^{3816606812505} is an apocalyptic number.

It is an amenable number.

3816606812505 is a deficient number, since it is larger than the sum of its proper divisors (2289964087527).

3816606812505 is a wasteful number, since it uses less digits than its factorization.

3816606812505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254440454175.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 3816606812505 in words is "three trillion, eight hundred sixteen billion, six hundred six million, eight hundred twelve thousand, five hundred five".