6195660665916 has 96 divisors (see below), whose sum is σ = 15495325493760. Its totient is φ = 1921723778304.

The previous prime is 6195660665837. The next prime is 6195660665959.

6195660665916 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6195660665916² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66811630 + ... + 66904298.

It is an arithmetic number, because the mean of its divisors is an integer number (161409640560).

Almost surely, 2^{6195660665916} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6195660665916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7747662746880).

6195660665916 is an abundant number, since it is smaller than the sum of its proper divisors (9299664827844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6195660665916 is a wasteful number, since it uses less digits than its factorization.

6195660665916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99283 (or 99281 counting only the distinct ones).

The product of its (nonzero) digits is 94478400, while the sum is 66.

The spelling of 6195660665916 in words is "six trillion, one hundred ninety-five billion, six hundred sixty million, six hundred sixty-five thousand, nine hundred sixteen".