67506464650 has 24 divisors (see below), whose sum is σ = 125578685664. Its totient is φ = 26999002800.

The previous prime is 67506464647. The next prime is 67506464651. The reversal of 67506464650 is 5646460576.

It is a super-3 number, since 3×67506464650³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67506464594 and 67506464603.

It is not an unprimeable number, because it can be changed into a prime (67506464651) 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 11 ways as a sum of consecutive naturals, for example, 308515 + ... + 479785.

It is an arithmetic number, because the mean of its divisors is an integer number (5232445236).

Almost surely, 2^67506464650 is an apocalyptic number.

67506464650 is a deficient number, since it is larger than the sum of its proper divisors (58072221014).

67506464650 is a wasteful number, since it uses less digits than its factorization.

67506464650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179166 (or 179161 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 67506464650 in words is "sixty-seven billion, five hundred six million, four hundred sixty-four thousand, six hundred fifty".