667481062886 has 16 divisors (see below), whose sum is σ = 1110754313280. Its totient is φ = 298258101480.

The previous prime is 667481062867. The next prime is 667481062949. The reversal of 667481062886 is 688260184766.

It is a super-2 number, since 2×667481062886² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257117756 + ... + 257120351.

It is an arithmetic number, because the mean of its divisors is an integer number (69422144580).

Almost surely, 2^667481062886 is an apocalyptic number.

667481062886 is a deficient number, since it is larger than the sum of its proper divisors (443273250394).

667481062886 is a wasteful number, since it uses less digits than its factorization.

667481062886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514238179.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 667481062886 in words is "six hundred sixty-seven billion, four hundred eighty-one million, sixty-two thousand, eight hundred eighty-six".