16021142 has 8 divisors (see below), whose sum is σ = 25296600. Its totient is φ = 7588944.

The previous prime is 16021139. The next prime is 16021151. The reversal of 16021142 is 24112061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16021142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210767 + ... + 210842.

It is an arithmetic number, because the mean of its divisors is an integer number (3162075).

Almost surely, 2^16021142 is an apocalyptic number.

16021142 is a deficient number, since it is larger than the sum of its proper divisors (9275458).

16021142 is a wasteful number, since it uses less digits than its factorization.

16021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421630.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 16021142 is about 4002.6418775604. The cubic root of 16021142 is about 252.0951496742.

It can be divided in two parts, 1602 and 1142, that added together give a cube (2744 = 14³).

The spelling of 16021142 in words is "sixteen million, twenty-one thousand, one hundred forty-two".