6665222351512 has 16 divisors (see below), whose sum is σ = 12511840573800. Its totient is φ = 3328731531840.

The previous prime is 6665222351453. The next prime is 6665222351533. The reversal of 6665222351512 is 2151532225666.

It is a super-2 number, since 2×6665222351512² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484948189 + ... + 484961932.

Almost surely, 2^{6665222351512} is an apocalyptic number.

It is an amenable number.

6665222351512 is a deficient number, since it is larger than the sum of its proper divisors (5846618222288).

6665222351512 is a wasteful number, since it uses less digits than its factorization.

6665222351512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969910986 (or 969910982 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The spelling of 6665222351512 in words is "six trillion, six hundred sixty-five billion, two hundred twenty-two million, three hundred fifty-one thousand, five hundred twelve".