652712051620 has 48 divisors (see below), whose sum is σ = 1437693143040. Its totient is φ = 248623599744.

The previous prime is 652712051521. The next prime is 652712051681. The reversal of 652712051620 is 26150217256.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 652712051620.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9348660 + ... + 9418219.

It is an arithmetic number, because the mean of its divisors is an integer number (29951940480).

Almost surely, 2^652712051620 is an apocalyptic number.

It is an amenable number.

652712051620 is an abundant number, since it is smaller than the sum of its proper divisors (784981091420).

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

652712051620 is a wasteful number, since it uses less digits than its factorization.

652712051620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18766972 (or 18766970 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 652712051620 its reverse (26150217256), we get a palindrome (678862268876).

The spelling of 652712051620 in words is "six hundred fifty-two billion, seven hundred twelve million, fifty-one thousand, six hundred twenty".