72644572150160 has 120 divisors (see below), whose sum is σ = 182271741440040. Its totient is φ = 26832533118976.

The previous prime is 72644572150091. The next prime is 72644572150361. The reversal of 72644572150160 is 6105127544627.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 602027017216 + 72042545132944 = 775904^2 + 8487788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72644572150099 and 72644572150108.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5687615 + ... + 13328094.

It is an arithmetic number, because the mean of its divisors is an integer number (1518931178667).

Almost surely, 2^{72644572150160} is an apocalyptic number.

It is an amenable number.

72644572150160 is an abundant number, since it is smaller than the sum of its proper divisors (109627169289880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72644572150160 is a wasteful number, since it uses less digits than its factorization.

72644572150160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19015845 (or 19015786 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

Adding to 72644572150160 its reverse (6105127544627), we get a palindrome (78749699694787).

The spelling of 72644572150160 in words is "seventy-two trillion, six hundred forty-four billion, five hundred seventy-two million, one hundred fifty thousand, one hundred sixty".