66614273246 has 16 divisors (see below), whose sum is σ = 100038032640. Its totient is φ = 33268287360.

The previous prime is 66614273197. The next prime is 66614273269. The reversal of 66614273246 is 64237241666.

It is a super-2 number, since 2×66614273246² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66614273246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8024570 + ... + 8032866.

It is an arithmetic number, because the mean of its divisors is an integer number (6252377040).

Almost surely, 2^66614273246 is an apocalyptic number.

66614273246 is a deficient number, since it is larger than the sum of its proper divisors (33423759394).

66614273246 is a wasteful number, since it uses less digits than its factorization.

66614273246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12499.

The product of its digits is 1741824, while the sum is 47.

The spelling of 66614273246 in words is "sixty-six billion, six hundred fourteen million, two hundred seventy-three thousand, two hundred forty-six".