667701225336 has 128 divisors (see below), whose sum is σ = 1733742662400. Its totient is φ = 214032000000.

The previous prime is 667701225319. The next prime is 667701225337. The reversal of 667701225336 is 633522107766.

667701225336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667701225337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205381711 + ... + 205384961.

It is an arithmetic number, because the mean of its divisors is an integer number (13544864550).

Almost surely, 2^667701225336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667701225336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866871331200).

667701225336 is an abundant number, since it is smaller than the sum of its proper divisors (1066041437064).

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

667701225336 is a wasteful number, since it uses less digits than its factorization.

667701225336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381 (or 4377 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 667701225336 in words is "six hundred sixty-seven billion, seven hundred one million, two hundred twenty-five thousand, three hundred thirty-six".