6665547122074 has 8 divisors (see below), whose sum is σ = 10041231931380. Its totient is φ = 3318469811616.

The previous prime is 6665547121979. The next prime is 6665547122089. The reversal of 6665547122074 is 4702217455666.

It can be written as a sum of positive squares in 2 ways, for example, as 6663073551849 + 2473570225 = 2581293^2 + 49735^2 .

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

It is a super-2 number, since 2×6665547122074² (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 3 ways as a sum of consecutive naturals, for example, 7151874129 + ... + 7151875060.

Almost surely, 2^{6665547122074} is an apocalyptic number.

6665547122074 is a deficient number, since it is larger than the sum of its proper divisors (3375684809306).

6665547122074 is a wasteful number, since it uses less digits than its factorization.

6665547122074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303749424.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 6665547122074 in words is "six trillion, six hundred sixty-five billion, five hundred forty-seven million, one hundred twenty-two thousand, seventy-four".