65675703645 has 48 divisors (see below), whose sum is σ = 121003599600. Its totient is φ = 32838254592.

The previous prime is 65675703637. The next prime is 65675703683. The reversal of 65675703645 is 54630757656.

65675703645 is a `hidden beast` number, since 6 + 5 + 6 + 7 + 570 + 3 + 64 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 17927335449 + 47748368196 = 133893^2 + 218514^2 .

It is not a de Polignac number, because 65675703645 - 2³ = 65675703637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65675703591 and 65675703600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29581 + ... + 363629.

It is an arithmetic number, because the mean of its divisors is an integer number (2520908325).

Almost surely, 2^65675703645 is an apocalyptic number.

It is an amenable number.

65675703645 is a deficient number, since it is larger than the sum of its proper divisors (55327895955).

65675703645 is a wasteful number, since it uses less digits than its factorization.

65675703645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334334 (or 334331 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 54.

The spelling of 65675703645 in words is "sixty-five billion, six hundred seventy-five million, seven hundred three thousand, six hundred forty-five".