720853618156 has 48 divisors (see below), whose sum is σ = 1445851814400. Its totient is φ = 308049798528.

The previous prime is 720853618129. The next prime is 720853618159. The reversal of 720853618156 is 651816358027.

It is not an unprimeable number, because it can be changed into a prime (720853618159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29522505 + ... + 29546911.

It is an arithmetic number, because the mean of its divisors is an integer number (30121912800).

Almost surely, 2^720853618156 is an apocalyptic number.

It is an amenable number.

720853618156 is an abundant number, since it is smaller than the sum of its proper divisors (724998196244).

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

720853618156 is a wasteful number, since it uses less digits than its factorization.

720853618156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27406 (or 27404 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

It can be divided in two parts, 72085 and 3618156, that added together give a square (3690241 = 1921²).

The spelling of 720853618156 in words is "seven hundred twenty billion, eight hundred fifty-three million, six hundred eighteen thousand, one hundred fifty-six".