651625552276 has 6 divisors (see below), whose sum is σ = 1140344716490. Its totient is φ = 325812776136.

The previous prime is 651625552271. The next prime is 651625552301. The reversal of 651625552276 is 672255526156.

It can be written as a sum of positive squares in only one way, i.e., 492416572176 + 159208980100 = 701724^2 + 399010^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651625552271) 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 as a sum of consecutive naturals, namely, 81453194031 + ... + 81453194038.

Almost surely, 2^651625552276 is an apocalyptic number.

It is an amenable number.

651625552276 is a deficient number, since it is larger than the sum of its proper divisors (488719164214).

651625552276 is a wasteful number, since it uses less digits than its factorization.

651625552276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162906388073 (or 162906388071 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 52.

The spelling of 651625552276 in words is "six hundred fifty-one billion, six hundred twenty-five million, five hundred fifty-two thousand, two hundred seventy-six".