42799166 has 12 divisors (see below), whose sum is σ = 68198208. Its totient is φ = 20140512.

The previous prime is 42799151. The next prime is 42799171. The reversal of 42799166 is 66199724.

It is a super-2 number, since 2×42799166² = 3663537220591112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36446 + ... + 37601.

It is an arithmetic number, because the mean of its divisors is an integer number (5683184).

Almost surely, 2^42799166 is an apocalyptic number.

42799166 is a deficient number, since it is larger than the sum of its proper divisors (25399042).

42799166 is a wasteful number, since it uses less digits than its factorization.

42799166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74083 (or 74066 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 42799166 is about 6542.1071528981. The cubic root of 42799166 is about 349.7935272006.

The spelling of 42799166 in words is "forty-two million, seven hundred ninety-nine thousand, one hundred sixty-six".