16955442 has 48 divisors (see below), whose sum is σ = 42793920. Its totient is φ = 4751136.

The previous prime is 16955437. The next prime is 16955453. The reversal of 16955442 is 24455961.

16955442 is a `hidden beast` number, since 1 + 69 + 554 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16955397 and 16955406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5409 + ... + 7947.

It is an arithmetic number, because the mean of its divisors is an integer number (891540).

Almost surely, 2^16955442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16955442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21396960).

16955442 is an abundant number, since it is smaller than the sum of its proper divisors (25838478).

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

16955442 is a wasteful number, since it uses less digits than its factorization.

16955442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607 (or 2604 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 16955442 is about 4117.6986290888. The cubic root of 16955442 is about 256.9033131631.

It can be divided in two parts, 169 and 55442, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 16955442 in words is "sixteen million, nine hundred fifty-five thousand, four hundred forty-two".