16375642 has 8 divisors (see below), whose sum is σ = 24618132. Its totient is φ = 8169600.

The previous prime is 16375603. The next prime is 16375643. The reversal of 16375642 is 24657361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15928081 + 447561 = 3991^2 + 669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16375598 and 16375607.

It is not an unprimeable number, because it can be changed into a prime (16375643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7959 + ... + 9802.

Almost surely, 2^16375642 is an apocalyptic number.

16375642 is a deficient number, since it is larger than the sum of its proper divisors (8242490).

16375642 is a wasteful number, since it uses less digits than its factorization.

16375642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18224.

The product of its digits is 30240, while the sum is 34.

The square root of 16375642 is about 4046.6828390671. The cubic root of 16375642 is about 253.9409724989.

The spelling of 16375642 in words is "sixteen million, three hundred seventy-five thousand, six hundred forty-two".