166723485 has 8 divisors (see below), whose sum is σ = 266757600. Its totient is φ = 88919184.

The previous prime is 166723483. The next prime is 166723541. The reversal of 166723485 is 584327661.

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

It is not a de Polignac number, because 166723485 - 2¹ = 166723483 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166723483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5557435 + ... + 5557464.

It is an arithmetic number, because the mean of its divisors is an integer number (33344700).

Almost surely, 2^166723485 is an apocalyptic number.

166723485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166723485 is a deficient number, since it is larger than the sum of its proper divisors (100034115).

166723485 is a wasteful number, since it uses less digits than its factorization.

166723485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11114907.

The product of its digits is 241920, while the sum is 42.

The square root of 166723485 is about 12912.1448644290. The cubic root of 166723485 is about 550.3837377117.

It can be divided in two parts, 1667 and 23485, that added together give a palindrome (25152).

The spelling of 166723485 in words is "one hundred sixty-six million, seven hundred twenty-three thousand, four hundred eighty-five".