166068472 has 8 divisors (see below), whose sum is σ = 311378400. Its totient is φ = 83034232.

The previous prime is 166068449. The next prime is 166068479. The reversal of 166068472 is 274860661.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166068479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10379272 + ... + 10379287.

It is an arithmetic number, because the mean of its divisors is an integer number (38922300).

Almost surely, 2^166068472 is an apocalyptic number.

It is an amenable number.

166068472 is a deficient number, since it is larger than the sum of its proper divisors (145309928).

166068472 is a wasteful number, since it uses less digits than its factorization.

166068472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20758565 (or 20758561 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 166068472 is about 12886.7556817067. The cubic root of 166068472 is about 549.6620204505.

The spelling of 166068472 in words is "one hundred sixty-six million, sixty-eight thousand, four hundred seventy-two".