16779942 has 12 divisors (see below), whose sum is σ = 36356580. Its totient is φ = 5593308.

The previous prime is 16779937. The next prime is 16779943. The reversal of 16779942 is 24997761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16779943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466092 + ... + 466127.

It is an arithmetic number, because the mean of its divisors is an integer number (3029715).

Almost surely, 2^16779942 is an apocalyptic number.

16779942 is an abundant number, since it is smaller than the sum of its proper divisors (19576638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16779942 is a wasteful number, since it uses less digits than its factorization.

16779942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932227 (or 932224 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 16779942 is about 4096.3327501559. The cubic root of 16779942 is about 256.0138644021.

The spelling of 16779942 in words is "sixteen million, seven hundred seventy-nine thousand, nine hundred forty-two".