166703704120 has 16 divisors (see below), whose sum is σ = 375083334360. Its totient is φ = 66681481632.

The previous prime is 166703704117. The next prime is 166703704127. The reversal of 166703704120 is 21407307661.

It is a self number, because there is not a number n which added to its sum of digits gives 166703704120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166703704127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083796262 + ... + 2083796341.

Almost surely, 2^166703704120 is an apocalyptic number.

166703704120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166703704120 is an abundant number, since it is smaller than the sum of its proper divisors (208379630240).

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

166703704120 is a wasteful number, since it uses less digits than its factorization.

166703704120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167592614 (or 4167592610 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 166703704120 in words is "one hundred sixty-six billion, seven hundred three million, seven hundred four thousand, one hundred twenty".