42161576 has 16 divisors (see below), whose sum is σ = 82490400. Its totient is φ = 20164144.

The previous prime is 42161573. The next prime is 42161591. The reversal of 42161576 is 67516124.

It is not an unprimeable number, because it can be changed into a prime (42161573) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 114386 + ... + 114753.

It is an arithmetic number, because the mean of its divisors is an integer number (5155650).

Almost surely, 2^42161576 is an apocalyptic number.

42161576 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42161576 is a deficient number, since it is larger than the sum of its proper divisors (40328824).

42161576 is a wasteful number, since it uses less digits than its factorization.

42161576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229168 (or 229164 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 42161576 is about 6493.1945912625. The cubic root of 42161576 is about 348.0478421035.

The spelling of 42161576 in words is "forty-two million, one hundred sixty-one thousand, five hundred seventy-six".