746668866648 has 64 divisors (see below), whose sum is σ = 1868741222400. Its totient is φ = 248613926400.

The previous prime is 746668866599. The next prime is 746668866673. The reversal of 746668866648 is 846668866647.

It is a self number, because there is not a number n which added to its sum of digits gives 746668866648.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 111790173 + ... + 111796851.

It is an arithmetic number, because the mean of its divisors is an integer number (29199081600).

Almost surely, 2^746668866648 is an apocalyptic number.

It is an amenable number.

746668866648 is an abundant number, since it is smaller than the sum of its proper divisors (1122072355752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

746668866648 is a wasteful number, since it uses less digits than its factorization.

746668866648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152 (or 11148 counting only the distinct ones).

The product of its digits is 2675441664, while the sum is 75.

Subtracting 746668866648 from its reverse (846668866647), we obtain a palindrome (99999999999).

The spelling of 746668866648 in words is "seven hundred forty-six billion, six hundred sixty-eight million, eight hundred sixty-six thousand, six hundred forty-eight".