206138935062 has 24 divisors (see below), whose sum is σ = 466053245424. Its totient is φ = 65725457424.

The previous prime is 206138935061. The next prime is 206138935091. The reversal of 206138935062 is 260539831602.

206138935062 is a `hidden beast` number, since 2 + 0 + 6 + 138 + 9 + 3 + 506 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 206138934999 and 206138935017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206138935061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248959653 + ... + 248960480.

It is an arithmetic number, because the mean of its divisors is an integer number (19418885226).

Almost surely, 2^206138935062 is an apocalyptic number.

206138935062 is an abundant number, since it is smaller than the sum of its proper divisors (259914310362).

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

206138935062 is a wasteful number, since it uses less digits than its factorization.

206138935062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497920164 (or 497920161 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 206138935062 in words is "two hundred six billion, one hundred thirty-eight million, nine hundred thirty-five thousand, sixty-two".