166934049 has 4 divisors (see below), whose sum is σ = 222578736. Its totient is φ = 111289364.

The previous prime is 166934021. The next prime is 166934081. The reversal of 166934049 is 940439661.

166934049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166934049 - 2²⁴ = 150156833 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166934049.

It is not an unprimeable number, because it can be changed into a prime (166934099) 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, 27822339 + ... + 27822344.

It is an arithmetic number, because the mean of its divisors is an integer number (55644684).

Almost surely, 2^166934049 is an apocalyptic number.

It is an amenable number.

166934049 is a deficient number, since it is larger than the sum of its proper divisors (55644687).

166934049 is an equidigital number, since it uses as much as digits as its factorization.

166934049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55644686.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 166934049 is about 12920.2960105409. The cubic root of 166934049 is about 550.6153432495.

The spelling of 166934049 in words is "one hundred sixty-six million, nine hundred thirty-four thousand, forty-nine".