72144290659016 has 16 divisors (see below), whose sum is σ = 135365205990300. Its totient is φ = 36046902394944.

The previous prime is 72144290659003. The next prime is 72144290659027. The reversal of 72144290659016 is 61095609244127.

It can be written as a sum of positive squares in 2 ways, for example, as 58017622624900 + 14126668034116 = 7616930^2 + 3758546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3155354675 + ... + 3155377538.

Almost surely, 2^{72144290659016} is an apocalyptic number.

It is an amenable number.

72144290659016 is a deficient number, since it is larger than the sum of its proper divisors (63220915331284).

72144290659016 is a wasteful number, since it uses less digits than its factorization.

72144290659016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310733648 (or 6310733644 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 72144290659016 in words is "seventy-two trillion, one hundred forty-four billion, two hundred ninety million, six hundred fifty-nine thousand, sixteen".