651245150320 has 80 divisors (see below), whose sum is σ = 1521682606080. Its totient is φ = 259202426112.

The previous prime is 651245150293. The next prime is 651245150321. The reversal of 651245150320 is 23051542156.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×651245150320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651245150321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41719957 + ... + 41735563.

It is an arithmetic number, because the mean of its divisors is an integer number (19021032576).

Almost surely, 2^651245150320 is an apocalyptic number.

It is an amenable number.

651245150320 is an abundant number, since it is smaller than the sum of its proper divisors (870437455760).

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

651245150320 is a wasteful number, since it uses less digits than its factorization.

651245150320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18182 (or 18176 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 651245150320 its reverse (23051542156), we get a palindrome (674296692476).

The spelling of 651245150320 in words is "six hundred fifty-one billion, two hundred forty-five million, one hundred fifty thousand, three hundred twenty".