166798079534 has 8 divisors (see below), whose sum is σ = 252674318808. Its totient is φ = 82573306600.

The previous prime is 166798079533. The next prime is 166798079543. The reversal of 166798079534 is 435970897661.

166798079534 is digitally balanced in base 3, 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166798079533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412866332 + ... + 412866735.

It is an arithmetic number, because the mean of its divisors is an integer number (31584289851).

Almost surely, 2^166798079534 is an apocalyptic number.

166798079534 is a deficient number, since it is larger than the sum of its proper divisors (85876239274).

166798079534 is a wasteful number, since it uses less digits than its factorization.

166798079534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825733170.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 166798079534 in words is "one hundred sixty-six billion, seven hundred ninety-eight million, seventy-nine thousand, five hundred thirty-four".