206324052351553 has 16 divisors (see below), whose sum is σ = 210034172517120. Its totient is φ = 202621050086400.

The previous prime is 206324052351551. The next prime is 206324052351587. The reversal of 206324052351553 is 355153250423602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 206324052351553 - 2¹ = 206324052351551 is a prime.

It is a super-2 number, since 2×206324052351553² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206324052351551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2508732513 + ... + 2508814753.

It is an arithmetic number, because the mean of its divisors is an integer number (13127135782320).

Almost surely, 2^{206324052351553} is an apocalyptic number.

It is an amenable number.

206324052351553 is a deficient number, since it is larger than the sum of its proper divisors (3710120165567).

206324052351553 is a wasteful number, since it uses less digits than its factorization.

206324052351553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124968.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 206324052351553 in words is "two hundred six trillion, three hundred twenty-four billion, fifty-two million, three hundred fifty-one thousand, five hundred fifty-three".