42165696 has 28 divisors (see below), whose sum is σ = 111563912. Its totient is φ = 14055168.

The previous prime is 42165689. The next prime is 42165709. The reversal of 42165696 is 69656124.

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, 109615 + ... + 109998.

Almost surely, 2^42165696 is an apocalyptic number.

It is an amenable number.

42165696 is an abundant number, since it is smaller than the sum of its proper divisors (69398216).

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

42165696 is a wasteful number, since it uses less digits than its factorization.

42165696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219628 (or 219618 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 42165696 is about 6493.5118387510. The cubic root of 42165696 is about 348.0591787323.

The spelling of 42165696 in words is "forty-two million, one hundred sixty-five thousand, six hundred ninety-six".