1616142 has 32 divisors (see below), whose sum is σ = 3608064. Its totient is φ = 478400.

The previous prime is 1616119. The next prime is 1616161. The reversal of 1616142 is 2416161.

It is a super-2 number, since 2×1616142² = 5223829928328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2842 + ... + 3362.

It is an arithmetic number, because the mean of its divisors is an integer number (112752).

2^1616142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804032).

1616142 is an abundant number, since it is smaller than the sum of its proper divisors (1991922).

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

1616142 is a wasteful number, since it uses less digits than its factorization.

1616142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its digits is 288, while the sum is 21.

The square root of 1616142 is about 1271.2757372026. The cubic root of 1616142 is about 117.3527232791.

The spelling of 1616142 in words is "one million, six hundred sixteen thousand, one hundred forty-two".