166108946620 has 24 divisors (see below), whose sum is σ = 348838376544. Its totient is φ = 66441752256.

The previous prime is 166108946611. The next prime is 166108946621. The reversal of 166108946620 is 26649801661.

166108946620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166108946621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816817 + ... + 999703.

It is an arithmetic number, because the mean of its divisors is an integer number (14534932356).

Almost surely, 2^166108946620 is an apocalyptic number.

166108946620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166108946620 is an abundant number, since it is smaller than the sum of its proper divisors (182729429924).

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

166108946620 is a wasteful number, since it uses less digits than its factorization.

166108946620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228309 (or 228307 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 166108946620 in words is "one hundred sixty-six billion, one hundred eight million, nine hundred forty-six thousand, six hundred twenty".