669070013088 has 192 divisors, whose sum is σ = 1847014686720. Its totient is φ = 211808563200.

The previous prime is 669070012993. The next prime is 669070013107. The reversal of 669070013088 is 880310070966.

669070013088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 817967²-1.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39253848 + ... + 39270888.

It is an arithmetic number, because the mean of its divisors is an integer number (9619868160).

Almost surely, 2^669070013088 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 669070013088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923507343360).

669070013088 is an abundant number, since it is smaller than the sum of its proper divisors (1177944673632).

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

669070013088 is a wasteful number, since it uses less digits than its factorization.

669070013088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17331 (or 17323 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 669070013088 in words is "six hundred sixty-nine billion, seventy million, thirteen thousand, eighty-eight".