252658903601663 has 8 divisors (see below), whose sum is σ = 272865008993808. Its totient is φ = 232562913225984.

The previous prime is 252658903601651. The next prime is 252658903601719. The reversal of 252658903601663 is 366106309856252.

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

It is a cyclic number.

It is not a de Polignac number, because 252658903601663 - 2¹⁴ = 252658903585279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252658903601596 and 252658903601605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252658903606663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27528749345 + ... + 27528758522.

It is an arithmetic number, because the mean of its divisors is an integer number (34108126124226).

Almost surely, 2^{252658903601663} is an apocalyptic number.

252658903601663 is a deficient number, since it is larger than the sum of its proper divisors (20206105392145).

252658903601663 is a wasteful number, since it uses less digits than its factorization.

252658903601663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55057508233.

The product of its (nonzero) digits is 83980800, while the sum is 62.

The spelling of 252658903601663 in words is "two hundred fifty-two trillion, six hundred fifty-eight billion, nine hundred three million, six hundred one thousand, six hundred sixty-three".