16662942 has 16 divisors (see below), whose sum is σ = 37028880. Its totient is φ = 5554296.

The previous prime is 16662923. The next prime is 16662949. The reversal of 16662942 is 24926661.

It is a junction number, because it is equal to n+sod(n) for n = 16662897 and 16662906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16662949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154233 + ... + 154340.

It is an arithmetic number, because the mean of its divisors is an integer number (2314305).

Almost surely, 2^16662942 is an apocalyptic number.

16662942 is an abundant number, since it is smaller than the sum of its proper divisors (20365938).

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

16662942 is a wasteful number, since it uses less digits than its factorization.

16662942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308584 (or 308578 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16662942 is about 4082.0267025094. The cubic root of 16662942 is about 255.4174477322.

The spelling of 16662942 in words is "sixteen million, six hundred sixty-two thousand, nine hundred forty-two".