3186420536648 has 16 divisors (see below), whose sum is σ = 6058686936960. Its totient is φ = 1570770686800.

The previous prime is 3186420536647. The next prime is 3186420536707. The reversal of 3186420536648 is 8466350246813.

It is a super-2 number, since 2×3186420536648² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3186420536593 and 3186420536602.

It is not an unprimeable number, because it can be changed into a prime (3186420536647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2804947088 + ... + 2804948223.

It is an arithmetic number, because the mean of its divisors is an integer number (378667933560).

Almost surely, 2^{3186420536648} is an apocalyptic number.

It is an amenable number.

3186420536648 is a deficient number, since it is larger than the sum of its proper divisors (2872266400312).

3186420536648 is a wasteful number, since it uses less digits than its factorization.

3186420536648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609895388 (or 5609895384 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 3186420536648 in words is "three trillion, one hundred eighty-six billion, four hundred twenty million, five hundred thirty-six thousand, six hundred forty-eight".