66462120055246 has 16 divisors (see below), whose sum is σ = 105558048763200. Its totient is φ = 31276124688640.

The previous prime is 66462120055187. The next prime is 66462120055249. The reversal of 66462120055246 is 64255002126466.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66462120055246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66462120055249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355451 + ... + 11608681.

It is an arithmetic number, because the mean of its divisors is an integer number (6597378047700).

Almost surely, 2^{66462120055246} is an apocalyptic number.

66462120055246 is a deficient number, since it is larger than the sum of its proper divisors (39095928707954).

66462120055246 is a wasteful number, since it uses less digits than its factorization.

66462120055246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10443899.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 66462120055246 in words is "sixty-six trillion, four hundred sixty-two billion, one hundred twenty million, fifty-five thousand, two hundred forty-six".