166242654 has 12 divisors (see below), whose sum is σ = 360192456. Its totient is φ = 55414212.

The previous prime is 166242631. The next prime is 166242679. The reversal of 166242654 is 456242661.

166242654 is a `hidden beast` number, since 1 + 6 + 624 + 26 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4617834 + ... + 4617869.

It is an arithmetic number, because the mean of its divisors is an integer number (30016038).

Almost surely, 2^166242654 is an apocalyptic number.

166242654 is an abundant number, since it is smaller than the sum of its proper divisors (193949802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166242654 is a wasteful number, since it uses less digits than its factorization.

166242654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235711 (or 9235708 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 166242654 is about 12893.5120894192. The cubic root of 166242654 is about 549.8541255010.

The spelling of 166242654 in words is "one hundred sixty-six million, two hundred forty-two thousand, six hundred fifty-four".