16572042 has 48 divisors (see below), whose sum is σ = 39267072. Its totient is φ = 5028480.

The previous prime is 16572019. The next prime is 16572091. The reversal of 16572042 is 24027561.

16572042 is a `hidden beast` number, since 1 + 657 + 2 + 0 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16571997 and 16572015.

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, 8613 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (818064).

Almost surely, 2^16572042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16572042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19633536).

16572042 is an abundant number, since it is smaller than the sum of its proper divisors (22695030).

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

16572042 is a wasteful number, since it uses less digits than its factorization.

16572042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 16572042 is about 4070.8773010249. The cubic root of 16572042 is about 254.9521478836.

The spelling of 16572042 in words is "sixteen million, five hundred seventy-two thousand, forty-two".