33161942 has 16 divisors (see below), whose sum is σ = 54766800. Its totient is φ = 14934240.

The previous prime is 33161939. The next prime is 33161963. The reversal of 33161942 is 24916133.

It is a super-2 number, since 2×33161942² = 2199428794422728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4517 + ... + 9312.

It is an arithmetic number, because the mean of its divisors is an integer number (3422925).

Almost surely, 2^33161942 is an apocalyptic number.

33161942 is a deficient number, since it is larger than the sum of its proper divisors (21604858).

33161942 is a wasteful number, since it uses less digits than its factorization.

33161942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13951.

The product of its digits is 3888, while the sum is 29.

The square root of 33161942 is about 5758.6406382062. The cubic root of 33161942 is about 321.2772584076.

The spelling of 33161942 in words is "thirty-three million, one hundred sixty-one thousand, nine hundred forty-two".