651082996 has 6 divisors (see below), whose sum is σ = 1139395250. Its totient is φ = 325541496.

The previous prime is 651082967. The next prime is 651082997. The reversal of 651082996 is 699280156.

It can be written as a sum of positive squares in only one way, i.e., 599760100 + 51322896 = 24490^2 + 7164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651082997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81385371 + ... + 81385378.

Almost surely, 2^651082996 is an apocalyptic number.

It is an amenable number.

651082996 is a deficient number, since it is larger than the sum of its proper divisors (488312254).

651082996 is a wasteful number, since it uses less digits than its factorization.

651082996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162770753 (or 162770751 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 651082996 is about 25516.3280273632. The cubic root of 651082996 is about 866.7199324921.

The spelling of 651082996 in words is "six hundred fifty-one million, eighty-two thousand, nine hundred ninety-six".