667032928752 has 20 divisors (see below), whose sum is σ = 1723168399400. Its totient is φ = 222344309568.

The previous prime is 667032928729. The next prime is 667032928777. The reversal of 667032928752 is 257829230766.

It is a junction number, because it is equal to n+sod(n) for n = 667032928692 and 667032928701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6948259627 + ... + 6948259722.

It is an arithmetic number, because the mean of its divisors is an integer number (86158419970).

Almost surely, 2^667032928752 is an apocalyptic number.

It is an amenable number.

667032928752 is an abundant number, since it is smaller than the sum of its proper divisors (1056135470648).

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

667032928752 is a wasteful number, since it uses less digits than its factorization.

667032928752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896519360 (or 13896519354 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 667032928752 in words is "six hundred sixty-seven billion, thirty-two million, nine hundred twenty-eight thousand, seven hundred fifty-two".