16038454 has 4 divisors (see below), whose sum is σ = 24057684. Its totient is φ = 8019226.

The previous prime is 16038437. The next prime is 16038457. The reversal of 16038454 is 45483061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45483061 = 13 ⋅3498697.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16038457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4009612 + ... + 4009615.

It is an arithmetic number, because the mean of its divisors is an integer number (6014421).

Almost surely, 2^16038454 is an apocalyptic number.

16038454 is a deficient number, since it is larger than the sum of its proper divisors (8019230).

16038454 is an equidigital number, since it uses as much as digits as its factorization.

16038454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019229.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 16038454 is about 4004.8038653597. The cubic root of 16038454 is about 252.1859193210.

The spelling of 16038454 in words is "sixteen million, thirty-eight thousand, four hundred fifty-four".