166613043 has 8 divisors (see below), whose sum is σ = 222732288. Its totient is φ = 110784584.

The previous prime is 166613023. The next prime is 166613063. The reversal of 166613043 is 340316661.

166613043 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 (166613023) and next prime (166613063).

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 166613043 - 2⁵ = 166613011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166613043.

It is not an unprimeable number, because it can be changed into a prime (166613023) 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, 71355 + ... + 73652.

It is an arithmetic number, because the mean of its divisors is an integer number (27841536).

Almost surely, 2^166613043 is an apocalyptic number.

166613043 is a deficient number, since it is larger than the sum of its proper divisors (56119245).

166613043 is a wasteful number, since it uses less digits than its factorization.

166613043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145393.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 166613043 is about 12907.8674846002. The cubic root of 166613043 is about 550.2621813361.

The spelling of 166613043 in words is "one hundred sixty-six million, six hundred thirteen thousand, forty-three".