667422288610 has 128 divisors (see below), whose sum is σ = 1531295829504. Its totient is φ = 203402434560.

The previous prime is 667422288607. The next prime is 667422288629. The reversal of 667422288610 is 16882224766.

It is a super-2 number, since 2×667422288610² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11929422 + ... + 11985238.

It is an arithmetic number, because the mean of its divisors is an integer number (11963248668).

Almost surely, 2^667422288610 is an apocalyptic number.

667422288610 is an abundant number, since it is smaller than the sum of its proper divisors (863873540894).

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

667422288610 is a wasteful number, since it uses less digits than its factorization.

667422288610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56188.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 667422288610 in words is "six hundred sixty-seven billion, four hundred twenty-two million, two hundred eighty-eight thousand, six hundred ten".