166313020 has 12 divisors (see below), whose sum is σ = 349257384. Its totient is φ = 66525200.

The previous prime is 166313011. The next prime is 166313029. The reversal of 166313020 is 20313661.

It is an interprime number because it is at equal distance from previous prime (166313011) and next prime (166313029).

It is a junction number, because it is equal to n+sod(n) for n = 166312982 and 166313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166313029) 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, 4157806 + ... + 4157845.

It is an arithmetic number, because the mean of its divisors is an integer number (29104782).

Almost surely, 2^166313020 is an apocalyptic number.

166313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166313020 is an abundant number, since it is smaller than the sum of its proper divisors (182944364).

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

166313020 is a wasteful number, since it uses less digits than its factorization.

166313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315660 (or 8315658 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 166313020 is about 12896.2405374590. The cubic root of 166313020 is about 549.9316939966.

Adding to 166313020 its reverse (20313661), we get a palindrome (186626681).

The spelling of 166313020 in words is "one hundred sixty-six million, three hundred thirteen thousand, twenty".