206260615542 has 16 divisors (see below), whose sum is σ = 413645271552. Its totient is φ = 68566198440.

The previous prime is 206260615513. The next prime is 206260615553. The reversal of 206260615542 is 245516062602.

It is a self number, because there is not a number n which added to its sum of digits gives 206260615542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46832634 + ... + 46837037.

It is an arithmetic number, because the mean of its divisors is an integer number (25852829472).

Almost surely, 2^206260615542 is an apocalyptic number.

206260615542 is an abundant number, since it is smaller than the sum of its proper divisors (207384656010).

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

206260615542 is a wasteful number, since it uses less digits than its factorization.

206260615542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93670043.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 206260615542 in words is "two hundred six billion, two hundred sixty million, six hundred fifteen thousand, five hundred forty-two".