206850370137 has 8 divisors (see below), whose sum is σ = 278241206304. Its totient is φ = 136679890368.

The previous prime is 206850370099. The next prime is 206850370147. The reversal of 206850370137 is 731073058602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206850370137 - 2¹⁸ = 206850107993 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (206850370147) by changing a digit.

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, 305088703 + ... + 305089380.

It is an arithmetic number, because the mean of its divisors is an integer number (34780150788).

Almost surely, 2^206850370137 is an apocalyptic number.

It is an amenable number.

206850370137 is a deficient number, since it is larger than the sum of its proper divisors (71390836167).

206850370137 is a wasteful number, since it uses less digits than its factorization.

206850370137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610178199.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 206850370137 in words is "two hundred six billion, eight hundred fifty million, three hundred seventy thousand, one hundred thirty-seven".