667211070610 has 32 divisors (see below), whose sum is σ = 1375824320640. Its totient is φ = 228212109312.

The previous prime is 667211070593. The next prime is 667211070707. The reversal of 667211070610 is 16070112766.

667211070610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×667211070610² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 667211070610.

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, 11344879 + ... + 11403538.

It is an arithmetic number, because the mean of its divisors is an integer number (42994510020).

Almost surely, 2^667211070610 is an apocalyptic number.

667211070610 is an abundant number, since it is smaller than the sum of its proper divisors (708613250030).

667211070610 is a wasteful number, since it uses less digits than its factorization.

667211070610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22748850.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 667211070610 in words is "six hundred sixty-seven billion, two hundred eleven million, seventy thousand, six hundred ten".