66247151426 has 16 divisors (see below), whose sum is σ = 100548328320. Its totient is φ = 32733158640.

The previous prime is 66247151389. The next prime is 66247151431. The reversal of 66247151426 is 62415174266.

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 7 ways as a sum of consecutive naturals, for example, 466361 + ... + 591596.

It is an arithmetic number, because the mean of its divisors is an integer number (6284270520).

Almost surely, 2^66247151426 is an apocalyptic number.

66247151426 is a deficient number, since it is larger than the sum of its proper divisors (34301176894).

66247151426 is a wasteful number, since it uses less digits than its factorization.

66247151426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058329.

The product of its digits is 483840, while the sum is 44.

The spelling of 66247151426 in words is "sixty-six billion, two hundred forty-seven million, one hundred fifty-one thousand, four hundred twenty-six".