651261116006 has 4 divisors (see below), whose sum is σ = 976891674012. Its totient is φ = 325630558002.

The previous prime is 651261115997. The next prime is 651261116039. The reversal of 651261116006 is 600611162156.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162815279000 + ... + 162815279003.

It is an arithmetic number, because the mean of its divisors is an integer number (244222918503).

Almost surely, 2^651261116006 is an apocalyptic number.

651261116006 is a deficient number, since it is larger than the sum of its proper divisors (325630558006).

651261116006 is a wasteful number, since it uses less digits than its factorization.

651261116006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325630558005.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 651261116006 in words is "six hundred fifty-one billion, two hundred sixty-one million, one hundred sixteen thousand, six".