205352416632534 has 16 divisors (see below), whose sum is σ = 412220349258240. Its totient is φ = 68198219545320.

The previous prime is 205352416632509. The next prime is 205352416632553. The reversal of 205352416632534 is 435236614253502.

It is a happy number.

It is a super-2 number, since 2×205352416632534² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 63146497954 + ... + 63146501205.

It is an arithmetic number, because the mean of its divisors is an integer number (25763771828640).

Almost surely, 2^{205352416632534} is an apocalyptic number.

205352416632534 is an abundant number, since it is smaller than the sum of its proper divisors (206867932625706).

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

205352416632534 is a wasteful number, since it uses less digits than its factorization.

205352416632534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126292999435.

The product of its (nonzero) digits is 15552000, while the sum is 51.

The spelling of 205352416632534 in words is "two hundred five trillion, three hundred fifty-two billion, four hundred sixteen million, six hundred thirty-two thousand, five hundred thirty-four".