66006158 has 8 divisors (see below), whose sum is σ = 99050952. Its totient is φ = 32989176.

The previous prime is 66006139. The next prime is 66006169. The reversal of 66006158 is 85160066.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (12381369).

Almost surely, 2^66006158 is an apocalyptic number.

66006158 is a deficient number, since it is larger than the sum of its proper divisors (33044794).

66006158 is a wasteful number, since it uses less digits than its factorization.

66006158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13906.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 66006158 is about 8124.4173944967. The cubic root of 66006158 is about 404.1365703360.

The spelling of 66006158 in words is "sixty-six million, six thousand, one hundred fifty-eight".