16072279 has 4 divisors (see below), whose sum is σ = 16144576. Its totient is φ = 15999984.

The previous prime is 16072267. The next prime is 16072297. The reversal of 16072279 is 97227061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16072279 - 2⁹ = 16071767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16072379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35814 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (4036144).

Almost surely, 2^16072279 is an apocalyptic number.

16072279 is a deficient number, since it is larger than the sum of its proper divisors (72297).

16072279 is an equidigital number, since it uses as much as digits as its factorization.

16072279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72296.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16072279 is about 4009.0246943615. The cubic root of 16072279 is about 252.3630810149.

It can be divided in two parts, 160722 and 79, that added together give a square (160801 = 401²).

The spelling of 16072279 in words is "sixteen million, seventy-two thousand, two hundred seventy-nine".