13620016643507 has 32 divisors (see below), whose sum is σ = 14382126882816. Its totient is φ = 12881441664000.

The previous prime is 13620016643491. The next prime is 13620016643581. The reversal of 13620016643507 is 70534661002631.

It is a cyclic number.

It is not a de Polignac number, because 13620016643507 - 2⁴ = 13620016643491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13620016643407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496207318 + ... + 1496216420.

It is an arithmetic number, because the mean of its divisors is an integer number (449441465088).

Almost surely, 2^{13620016643507} is an apocalyptic number.

13620016643507 is a deficient number, since it is larger than the sum of its proper divisors (762110239309).

13620016643507 is a wasteful number, since it uses less digits than its factorization.

13620016643507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15171.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 13620016643507 in words is "thirteen trillion, six hundred twenty billion, sixteen million, six hundred forty-three thousand, five hundred seven".