651623724316 has 12 divisors (see below), whose sum is σ = 1141108401888. Its totient is φ = 325592752352.

The previous prime is 651623724307. The next prime is 651623724317. The reversal of 651623724316 is 613427326156.

It is a happy number.

It is a super-2 number, since 2×651623724316² (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 (651623724317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54770761 + ... + 54782656.

It is an arithmetic number, because the mean of its divisors is an integer number (95092366824).

Almost surely, 2^651623724316 is an apocalyptic number.

It is an amenable number.

651623724316 is a deficient number, since it is larger than the sum of its proper divisors (489484677572).

651623724316 is a wasteful number, since it uses less digits than its factorization.

651623724316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109554908 (or 109554906 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 46.

The spelling of 651623724316 in words is "six hundred fifty-one billion, six hundred twenty-three million, seven hundred twenty-four thousand, three hundred sixteen".