650996837720 has 16 divisors (see below), whose sum is σ = 1464742884960. Its totient is φ = 260398735072.

The previous prime is 650996837677. The next prime is 650996837741. The reversal of 650996837720 is 27738699056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8137460432 + ... + 8137460511.

It is an arithmetic number, because the mean of its divisors is an integer number (91546430310).

Almost surely, 2^650996837720 is an apocalyptic number.

It is an amenable number.

650996837720 is an abundant number, since it is smaller than the sum of its proper divisors (813746047240).

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

650996837720 is a wasteful number, since it uses less digits than its factorization.

650996837720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16274920954 (or 16274920950 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 650996837720 in words is "six hundred fifty billion, nine hundred ninety-six million, eight hundred thirty-seven thousand, seven hundred twenty".