166563037 has 8 divisors (see below), whose sum is σ = 176315040. Its totient is φ = 157078320.

The previous prime is 166563029. The next prime is 166563043. The reversal of 166563037 is 730365661.

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 166563037 - 2³ = 166563029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166562987 and 166563005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166563437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65539 + ... + 68032.

It is an arithmetic number, because the mean of its divisors is an integer number (22039380).

Almost surely, 2^166563037 is an apocalyptic number.

It is an amenable number.

166563037 is a deficient number, since it is larger than the sum of its proper divisors (9752003).

166563037 is a wasteful number, since it uses less digits than its factorization.

166563037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133643.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 166563037 is about 12905.9303035465. The cubic root of 166563037 is about 550.2071252944.

The spelling of 166563037 in words is "one hundred sixty-six million, five hundred sixty-three thousand, thirty-seven".