16072613 has 4 divisors (see below), whose sum is σ = 16918560. Its totient is φ = 15226668.

The previous prime is 16072597. The next prime is 16072631. The reversal of 16072613 is 31627061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31627061 = 53 ⋅596737.

It is a cyclic number.

It is not a de Polignac number, because 16072613 - 2⁴ = 16072597 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 (16072643) 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, 422945 + ... + 422982.

It is an arithmetic number, because the mean of its divisors is an integer number (4229640).

Almost surely, 2^16072613 is an apocalyptic number.

It is an amenable number.

16072613 is a deficient number, since it is larger than the sum of its proper divisors (845947).

16072613 is an equidigital number, since it uses as much as digits as its factorization.

16072613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845946.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 16072613 is about 4009.0663501618. The cubic root of 16072613 is about 252.3648291321.

Adding to 16072613 its reverse (31627061), we get a palindrome (47699674).

The spelling of 16072613 in words is "sixteen million, seventy-two thousand, six hundred thirteen".