668058145952 has 24 divisors (see below), whose sum is σ = 1320742584000. Its totient is φ = 332631457984.

The previous prime is 668058145943. The next prime is 668058145991. The reversal of 668058145952 is 259541850866.

It is a junction number, because it is equal to n+sod(n) for n = 668058145891 and 668058145900.

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 3 ways as a sum of consecutive naturals, for example, 43667702 + ... + 43682997.

It is an arithmetic number, because the mean of its divisors is an integer number (55030941000).

Almost surely, 2^668058145952 is an apocalyptic number.

It is an amenable number.

668058145952 is a deficient number, since it is larger than the sum of its proper divisors (652684438048).

668058145952 is a wasteful number, since it uses less digits than its factorization.

668058145952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87350948 (or 87350940 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 59.

The spelling of 668058145952 in words is "six hundred sixty-eight billion, fifty-eight million, one hundred forty-five thousand, nine hundred fifty-two".