667355070336 has 128 divisors (see below), whose sum is σ = 1880767848960. Its totient is φ = 208938885120.

The previous prime is 667355070323. The next prime is 667355070401. The reversal of 667355070336 is 633070553766.

667355070336 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 tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3101145 + ... + 3309351.

It is an arithmetic number, because the mean of its divisors is an integer number (14693498820).

Almost surely, 2^667355070336 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 667355070336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940383924480).

667355070336 is an abundant number, since it is smaller than the sum of its proper divisors (1213412778624).

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

667355070336 is a wasteful number, since it uses less digits than its factorization.

667355070336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208732 (or 208720 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 51.

The spelling of 667355070336 in words is "six hundred sixty-seven billion, three hundred fifty-five million, seventy thousand, three hundred thirty-six".