42166845416 has 32 divisors (see below), whose sum is σ = 81165231840. Its totient is φ = 20525980608.

The previous prime is 42166845377. The next prime is 42166845431. The reversal of 42166845416 is 61454866124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94031 + ... + 305246.

It is an arithmetic number, because the mean of its divisors is an integer number (2536413495).

Almost surely, 2^42166845416 is an apocalyptic number.

It is an amenable number.

42166845416 is a deficient number, since it is larger than the sum of its proper divisors (38998386424).

42166845416 is a wasteful number, since it uses less digits than its factorization.

42166845416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399633 (or 399629 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The spelling of 42166845416 in words is "forty-two billion, one hundred sixty-six million, eight hundred forty-five thousand, four hundred sixteen".