166512513 has 8 divisors (see below), whose sum is σ = 222604000. Its totient is φ = 110714688.

The previous prime is 166512509. The next prime is 166512517. The reversal of 166512513 is 315215661.

166512513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166512509) and next prime (166512517).

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

It is not a de Polignac number, because 166512513 - 2² = 166512509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166512517) 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, 72088 + ... + 74361.

It is an arithmetic number, because the mean of its divisors is an integer number (27825500).

Almost surely, 2^166512513 is an apocalyptic number.

It is an amenable number.

166512513 is a deficient number, since it is larger than the sum of its proper divisors (56091487).

166512513 is a wasteful number, since it uses less digits than its factorization.

166512513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146831.

The product of its digits is 5400, while the sum is 30.

The square root of 166512513 is about 12903.9727603556. The cubic root of 166512513 is about 550.1514877481.

The spelling of 166512513 in words is "one hundred sixty-six million, five hundred twelve thousand, five hundred thirteen".