166769360727 has 8 divisors (see below), whose sum is σ = 222361070064. Its totient is φ = 111178612608.

The previous prime is 166769360717. The next prime is 166769360861. The reversal of 166769360727 is 727063967661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166769360727 - 2⁴ = 166769360711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166769360717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438253 + ... + 724985.

It is an arithmetic number, because the mean of its divisors is an integer number (27795133758).

Almost surely, 2^166769360727 is an apocalyptic number.

166769360727 is a deficient number, since it is larger than the sum of its proper divisors (55591709337).

166769360727 is a wasteful number, since it uses less digits than its factorization.

166769360727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480609.

The product of its (nonzero) digits is 24004512, while the sum is 60.

The spelling of 166769360727 in words is "one hundred sixty-six billion, seven hundred sixty-nine million, three hundred sixty thousand, seven hundred twenty-seven".