6501331612 has 24 divisors (see below), whose sum is σ = 11980362240. Its totient is φ = 3078491760.

The previous prime is 6501331537. The next prime is 6501331643. The reversal of 6501331612 is 2161331056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227187 + ... + 254197.

It is an arithmetic number, because the mean of its divisors is an integer number (499181760).

Almost surely, 2^6501331612 is an apocalyptic number.

It is an amenable number.

6501331612 is a deficient number, since it is larger than the sum of its proper divisors (5479030628).

6501331612 is a wasteful number, since it uses less digits than its factorization.

6501331612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30201 (or 30199 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6501331612 is about 80630.8353671224. The cubic root of 6501331612 is about 1866.3830121850.

Adding to 6501331612 its reverse (2161331056), we get a palindrome (8662662668).

The spelling of 6501331612 in words is "six billion, five hundred one million, three hundred thirty-one thousand, six hundred twelve".