667212110752 has 48 divisors (see below), whose sum is σ = 1433958349824. Its totient is φ = 303073216000.

The previous prime is 667212110743. The next prime is 667212110801. The reversal of 667212110752 is 257011212766.

667212110752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×667212110752² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118624 + ... + 1161247.

It is an arithmetic number, because the mean of its divisors is an integer number (29874132288).

Almost surely, 2^667212110752 is an apocalyptic number.

It is an amenable number.

667212110752 is an abundant number, since it is smaller than the sum of its proper divisors (766746239072).

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

667212110752 is a wasteful number, since it uses less digits than its factorization.

667212110752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281373 (or 1281365 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 667212110752 in words is "six hundred sixty-seven billion, two hundred twelve million, one hundred ten thousand, seven hundred fifty-two".