667701602352 has 80 divisors (see below), whose sum is σ = 1921378973280. Its totient is φ = 222006521088.

The previous prime is 667701602341. The next prime is 667701602353. The reversal of 667701602352 is 253206107766.

667701602352 is a `hidden beast` number, since 6 + 6 + 7 + 7 + 0 + 1 + 602 + 35 + 2 = 666.

667701602352 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 667701602298 and 667701602307.

It is not an unprimeable number, because it can be changed into a prime (667701602353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1775103 + ... + 2118110.

It is an arithmetic number, because the mean of its divisors is an integer number (24017237166).

Almost surely, 2^667701602352 is an apocalyptic number.

It is an amenable number.

667701602352 is an abundant number, since it is smaller than the sum of its proper divisors (1253677370928).

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

667701602352 is a wasteful number, since it uses less digits than its factorization.

667701602352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893627 (or 3893615 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 667701602352 in words is "six hundred sixty-seven billion, seven hundred one million, six hundred two thousand, three hundred fifty-two".