651442115162 has 8 divisors (see below), whose sum is σ = 977166945300. Its totient is φ = 325719800064.

The previous prime is 651442115111. The next prime is 651442115167. The reversal of 651442115162 is 261511244156.

It can be written as a sum of positive squares in 2 ways, for example, as 529502173561 + 121939941601 = 727669^2 + 349199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (651442115167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283514 + ... + 1176122.

Almost surely, 2^651442115162 is an apocalyptic number.

651442115162 is a deficient number, since it is larger than the sum of its proper divisors (325724830138).

651442115162 is a wasteful number, since it uses less digits than its factorization.

651442115162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257520.

The product of its digits is 57600, while the sum is 38.

The spelling of 651442115162 in words is "six hundred fifty-one billion, four hundred forty-two million, one hundred fifteen thousand, one hundred sixty-two".