166042467 has 20 divisors (see below), whose sum is σ = 250007296. Its totient is φ = 109816560.

The previous prime is 166042447. The next prime is 166042483. The reversal of 166042467 is 764240661.

166042467 is a `hidden beast` number, since 1 + 6 + 604 + 2 + 46 + 7 = 666.

It is not a de Polignac number, because 166042467 - 2¹¹ = 166040419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166042447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2217 + ... + 18357.

Almost surely, 2^166042467 is an apocalyptic number.

166042467 is a deficient number, since it is larger than the sum of its proper divisors (83964829).

166042467 is a wasteful number, since it uses less digits than its factorization.

166042467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16280 (or 16271 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 166042467 is about 12885.7466605548. The cubic root of 166042467 is about 549.6333280546.

The spelling of 166042467 in words is "one hundred sixty-six million, forty-two thousand, four hundred sixty-seven".