652161526620 has 24 divisors (see below), whose sum is σ = 1826052274704. Its totient is φ = 173909740416.

The previous prime is 652161526589. The next prime is 652161526649. The reversal of 652161526620 is 26625161256.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5434679329 + ... + 5434679448.

It is an arithmetic number, because the mean of its divisors is an integer number (76085511446).

Almost surely, 2^652161526620 is an apocalyptic number.

652161526620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652161526620 is an abundant number, since it is smaller than the sum of its proper divisors (1173890748084).

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

652161526620 is a wasteful number, since it uses less digits than its factorization.

652161526620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10869358789 (or 10869358787 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 652161526620 its reverse (26625161256), we get a palindrome (678786687876).

The spelling of 652161526620 in words is "six hundred fifty-two billion, one hundred sixty-one million, five hundred twenty-six thousand, six hundred twenty".