206623240433552 has 10 divisors (see below), whose sum is σ = 400332528340038. Its totient is φ = 103311620216768.

The previous prime is 206623240433483. The next prime is 206623240433557. The reversal of 206623240433552 is 255334042326602.

It can be written as a sum of positive squares in only one way, i.e., 206467471288576 + 155769144976 = 14368976^2 + 394676^2 .

It is a super-2 number, since 2×206623240433552² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206623240433497 and 206623240433506.

It is not an unprimeable number, because it can be changed into a prime (206623240433557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456976263533 + ... + 6456976263564.

Almost surely, 2^{206623240433552} is an apocalyptic number.

It is an amenable number.

206623240433552 is a deficient number, since it is larger than the sum of its proper divisors (193709287906486).

206623240433552 is a wasteful number, since it uses less digits than its factorization.

206623240433552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913952527105 (or 12913952527099 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 206623240433552 in words is "two hundred six trillion, six hundred twenty-three billion, two hundred forty million, four hundred thirty-three thousand, five hundred fifty-two".