264161010728 has 32 divisors (see below), whose sum is σ = 547238928960. Its totient is φ = 118906233600.

The previous prime is 264161010713. The next prime is 264161010761. The reversal of 264161010728 is 827010161462.

It is a junction number, because it is equal to n+sod(n) for n = 264161010691 and 264161010700.

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, 42222098 + ... + 42228353.

It is an arithmetic number, because the mean of its divisors is an integer number (17101216530).

Almost surely, 2^264161010728 is an apocalyptic number.

It is an amenable number.

264161010728 is an abundant number, since it is smaller than the sum of its proper divisors (283077918232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264161010728 is a wasteful number, since it uses less digits than its factorization.

264161010728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84450497 (or 84450493 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 264161010728 in words is "two hundred sixty-four billion, one hundred sixty-one million, ten thousand, seven hundred twenty-eight".