16331142 has 16 divisors (see below), whose sum is σ = 33422400. Its totient is φ = 5317032.

The previous prime is 16331131. The next prime is 16331149. The reversal of 16331142 is 24113361.

16331142 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16331149) 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, 31392 + ... + 31907.

It is an arithmetic number, because the mean of its divisors is an integer number (2088900).

Almost surely, 2^16331142 is an apocalyptic number.

16331142 is an abundant number, since it is smaller than the sum of its proper divisors (17091258).

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

16331142 is a wasteful number, since it uses less digits than its factorization.

16331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63347.

The product of its digits is 432, while the sum is 21.

The square root of 16331142 is about 4041.1807680429. The cubic root of 16331142 is about 253.7107397986.

It can be divided in two parts, 1633 and 1142, that added together give a triangular number (2775 = T₇₄).

The spelling of 16331142 in words is "sixteen million, three hundred thirty-one thousand, one hundred forty-two".