42166370 has 16 divisors (see below), whose sum is σ = 76066560. Its totient is φ = 16829424.

The previous prime is 42166367. The next prime is 42166387. The reversal of 42166370 is 7366124.

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, 389 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (4754160).

Almost surely, 2^42166370 is an apocalyptic number.

42166370 is a deficient number, since it is larger than the sum of its proper divisors (33900190).

42166370 is a wasteful number, since it uses less digits than its factorization.

42166370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 42166370 is about 6493.5637365009. The cubic root of 42166370 is about 348.0610332464.

The spelling of 42166370 in words is "forty-two million, one hundred sixty-six thousand, three hundred seventy".