166713461 has 8 divisors (see below), whose sum is σ = 170364600. Its totient is φ = 163081152.

The previous prime is 166713457. The next prime is 166713493. The reversal of 166713461 is 164317661.

It can be written as a sum of positive squares in 4 ways, for example, as 54671236 + 112042225 = 7394^2 + 10585^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 166713461 - 2² = 166713457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166713761) 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, 13991 + ... + 23003.

It is an arithmetic number, because the mean of its divisors is an integer number (21295575).

Almost surely, 2^166713461 is an apocalyptic number.

It is an amenable number.

166713461 is a deficient number, since it is larger than the sum of its proper divisors (3651139).

166713461 is an equidigital number, since it uses as much as digits as its factorization.

166713461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415.

The product of its digits is 18144, while the sum is 35.

The square root of 166713461 is about 12911.7566969022. The cubic root of 166713461 is about 550.3727071578.

The spelling of 166713461 in words is "one hundred sixty-six million, seven hundred thirteen thousand, four hundred sixty-one".