16142004 has 36 divisors (see below), whose sum is σ = 42317184. Its totient is φ = 5380344.

The previous prime is 16141997. The next prime is 16142011. The reversal of 16142004 is 40024161.

It is an interprime number because it is at equal distance from previous prime (16141997) and next prime (16142011).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7332 + ... + 9275.

Almost surely, 2^16142004 is an apocalyptic number.

It is an amenable number.

16142004 is an abundant number, since it is smaller than the sum of its proper divisors (26175180).

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

16142004 is a wasteful number, since it uses less digits than its factorization.

16142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16626 (or 16612 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 16142004 is about 4017.7112887812. The cubic root of 16142004 is about 252.7274896523.

Adding to 16142004 its reverse (40024161), we get a palindrome (56166165).

The spelling of 16142004 in words is "sixteen million, one hundred forty-two thousand, four".