206162441537 has 4 divisors (see below), whose sum is σ = 222021090900. Its totient is φ = 190303792176.

The previous prime is 206162441533. The next prime is 206162441557. The reversal of 206162441537 is 735144261602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134132470081 + 72029971456 = 366241^2 + 268384^2 .

It is a cyclic number.

It is not a de Polignac number, because 206162441537 - 2² = 206162441533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206162441494 and 206162441503.

It is not an unprimeable number, because it can be changed into a prime (206162441533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7929324662 + ... + 7929324687.

It is an arithmetic number, because the mean of its divisors is an integer number (55505272725).

Almost surely, 2^206162441537 is an apocalyptic number.

It is an amenable number.

206162441537 is a deficient number, since it is larger than the sum of its proper divisors (15858649363).

206162441537 is a wasteful number, since it uses less digits than its factorization.

206162441537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858649362.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 206162441537 in words is "two hundred six billion, one hundred sixty-two million, four hundred forty-one thousand, five hundred thirty-seven".