16142772 has 12 divisors (see below), whose sum is σ = 37666496. Its totient is φ = 5380920.

The previous prime is 16142743. The next prime is 16142783. The reversal of 16142772 is 27724161.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672604 + ... + 672627.

Almost surely, 2^16142772 is an apocalyptic number.

16142772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16142772 is an abundant number, since it is smaller than the sum of its proper divisors (21523724).

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

16142772 is a wasteful number, since it uses less digits than its factorization.

16142772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345238 (or 1345236 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 16142772 is about 4017.8068644473. The cubic root of 16142772 is about 252.7314976560.

The spelling of 16142772 in words is "sixteen million, one hundred forty-two thousand, seven hundred seventy-two".