166059743 has 8 divisors (see below), whose sum is σ = 169148016. Its totient is φ = 162993600.

The previous prime is 166059727. The next prime is 166059763. The reversal of 166059743 is 347950661.

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 166059743 - 2⁴ = 166059727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166059743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166059763) 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, 10013 + ... + 20793.

It is an arithmetic number, because the mean of its divisors is an integer number (21143502).

Almost surely, 2^166059743 is an apocalyptic number.

166059743 is a deficient number, since it is larger than the sum of its proper divisors (3088273).

166059743 is a wasteful number, since it uses less digits than its factorization.

166059743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11065.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 166059743 is about 12886.4169962019. The cubic root of 166059743 is about 549.6523897165.

The spelling of 166059743 in words is "one hundred sixty-six million, fifty-nine thousand, seven hundred forty-three".