66170054 has 8 divisors (see below), whose sum is σ = 102677760. Its totient is φ = 31944136.

The previous prime is 66170053. The next prime is 66170059. The reversal of 66170054 is 45007166.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 66169999 and 66170026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66170053) 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, 570374 + ... + 570489.

It is an arithmetic number, because the mean of its divisors is an integer number (12834720).

Almost surely, 2^66170054 is an apocalyptic number.

66170054 is a deficient number, since it is larger than the sum of its proper divisors (36507706).

66170054 is a wasteful number, since it uses less digits than its factorization.

66170054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140894.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 66170054 is about 8134.4977718357. The cubic root of 66170054 is about 404.4707897599.

The spelling of 66170054 in words is "sixty-six million, one hundred seventy thousand, fifty-four".