668246261102 has 48 divisors (see below), whose sum is σ = 1170838203840. Its totient is φ = 285209164800.

The previous prime is 668246261101. The next prime is 668246261143. The reversal of 668246261102 is 201162642866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668246261101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85220702 + ... + 85228542.

It is an arithmetic number, because the mean of its divisors is an integer number (24392462580).

Almost surely, 2^668246261102 is an apocalyptic number.

668246261102 is a deficient number, since it is larger than the sum of its proper divisors (502591942738).

668246261102 is a wasteful number, since it uses less digits than its factorization.

668246261102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337 (or 11330 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 668246261102 in words is "six hundred sixty-eight billion, two hundred forty-six million, two hundred sixty-one thousand, one hundred two".