166916750851 has 8 divisors (see below), whose sum is σ = 184419530784. Its totient is φ = 150267765120.

The previous prime is 166916750843. The next prime is 166916750881. The reversal of 166916750851 is 158057619661.

166916750851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166916750851 - 2³ = 166916750843 is a prime.

It is a super-2 number, since 2×166916750851² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166916750792 and 166916750801.

It is not an unprimeable number, because it can be changed into a prime (166916750801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213448140 + ... + 213448921.

It is an arithmetic number, because the mean of its divisors is an integer number (23052441348).

Almost surely, 2^166916750851 is an apocalyptic number.

166916750851 is a deficient number, since it is larger than the sum of its proper divisors (17502779933).

166916750851 is a wasteful number, since it uses less digits than its factorization.

166916750851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426897101.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 166916750851 in words is "one hundred sixty-six billion, nine hundred sixteen million, seven hundred fifty thousand, eight hundred fifty-one".