16142472 has 24 divisors (see below), whose sum is σ = 43719390. Its totient is φ = 5380800.

The previous prime is 16142461. The next prime is 16142507. The reversal of 16142472 is 27424161.

16142472 is a `hidden beast` number, since 1 + 614 + 2 + 47 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16112196 + 30276 = 4014^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112029 + ... + 112172.

Almost surely, 2^16142472 is an apocalyptic number.

16142472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16142472 is an abundant number, since it is smaller than the sum of its proper divisors (27576918).

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

16142472 is a wasteful number, since it uses less digits than its factorization.

16142472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224213 (or 224206 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 16142472 is about 4017.7695304733. The cubic root of 16142472 is about 252.7299320447.

The spelling of 16142472 in words is "sixteen million, one hundred forty-two thousand, four hundred seventy-two".