207906660166 has 8 divisors (see below), whose sum is σ = 311929045200. Its totient is φ = 103930311768.

The previous prime is 207906660139. The next prime is 207906660179. The reversal of 207906660166 is 661066609702.

207906660166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×207906660166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11497866 + ... + 11515933.

It is an arithmetic number, because the mean of its divisors is an integer number (38991130650).

Almost surely, 2^207906660166 is an apocalyptic number.

207906660166 is a deficient number, since it is larger than the sum of its proper divisors (104022385034).

207906660166 is a wasteful number, since it uses less digits than its factorization.

207906660166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23018318.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 207906660166 in words is "two hundred seven billion, nine hundred six million, six hundred sixty thousand, one hundred sixty-six".