651106405352 has 32 divisors (see below), whose sum is σ = 1314936827400. Its totient is φ = 300464308224.

The previous prime is 651106405351. The next prime is 651106405357. The reversal of 651106405352 is 253504601156.

It can be written as a sum of positive squares in 4 ways, for example, as 163324289956 + 487782115396 = 404134^2 + 698414^2 .

It is not an unprimeable number, because it can be changed into a prime (651106405351) 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 7 ways as a sum of consecutive naturals, for example, 199568 + ... + 1158464.

Almost surely, 2^651106405352 is an apocalyptic number.

It is an amenable number.

651106405352 is an abundant number, since it is smaller than the sum of its proper divisors (663830422048).

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

651106405352 is a wasteful number, since it uses less digits than its factorization.

651106405352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965445 (or 965441 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 651106405352 in words is "six hundred fifty-one billion, one hundred six million, four hundred five thousand, three hundred fifty-two".