166363474 has 8 divisors (see below), whose sum is σ = 255348720. Its totient is φ = 81247236.

The previous prime is 166363471. The next prime is 166363481. The reversal of 166363474 is 474363661.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (166363471) 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, 967144 + ... + 967315.

It is an arithmetic number, because the mean of its divisors is an integer number (31918590).

Almost surely, 2^166363474 is an apocalyptic number.

166363474 is a deficient number, since it is larger than the sum of its proper divisors (88985246).

166363474 is a wasteful number, since it uses less digits than its factorization.

166363474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934504.

The product of its digits is 217728, while the sum is 40.

The square root of 166363474 is about 12898.1965406021. The cubic root of 166363474 is about 549.9872988802.

The spelling of 166363474 in words is "one hundred sixty-six million, three hundred sixty-three thousand, four hundred seventy-four".