106656166646 has 8 divisors (see below), whose sum is σ = 159986183184. Its totient is φ = 53327438920.

The previous prime is 106656166543. The next prime is 106656166691. The reversal of 106656166646 is 646661656601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106656166646² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 78425 + ... + 468468.

It is an arithmetic number, because the mean of its divisors is an integer number (19998272898).

Almost surely, 2^106656166646 is an apocalyptic number.

106656166646 is a deficient number, since it is larger than the sum of its proper divisors (53330016538).

106656166646 is an equidigital number, since it uses as much as digits as its factorization.

106656166646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644406.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 106656166646 in words is "one hundred six billion, six hundred fifty-six million, one hundred sixty-six thousand, six hundred forty-six".