6665254249486 has 8 divisors (see below), whose sum is σ = 11426150142000. Its totient is φ = 2856537535488.

The previous prime is 6665254249421. The next prime is 6665254249487. The reversal of 6665254249486 is 6849424525666.

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

It is a super-2 number, since 2×6665254249486² (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 (6665254249487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238044794611 + ... + 238044794638.

It is an arithmetic number, because the mean of its divisors is an integer number (1428268767750).

Almost surely, 2^{6665254249486} is an apocalyptic number.

6665254249486 is a deficient number, since it is larger than the sum of its proper divisors (4760895892514).

6665254249486 is a wasteful number, since it uses less digits than its factorization.

6665254249486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476089589258.

The product of its digits is 597196800, while the sum is 67.

The spelling of 6665254249486 in words is "six trillion, six hundred sixty-five billion, two hundred fifty-four million, two hundred forty-nine thousand, four hundred eighty-six".