4851120951666 has 64 divisors (see below), whose sum is σ = 11764274578560. Its totient is φ = 1469538982080.

The previous prime is 4851120951661. The next prime is 4851120951667. The reversal of 4851120951666 is 6661590211584.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4851120951661) 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 31 ways as a sum of consecutive naturals, for example, 375520 + ... + 3137396.

It is an arithmetic number, because the mean of its divisors is an integer number (183816790290).

Almost surely, 2^{4851120951666} is an apocalyptic number.

4851120951666 is an abundant number, since it is smaller than the sum of its proper divisors (6913153626894).

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

4851120951666 is a wasteful number, since it uses less digits than its factorization.

4851120951666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764856 (or 2764850 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 4851120951666 in words is "four trillion, eight hundred fifty-one billion, one hundred twenty million, nine hundred fifty-one thousand, six hundred sixty-six".