206061464765 has 8 divisors (see below), whose sum is σ = 266294816088. Its totient is φ = 152168466240.

The previous prime is 206061464747. The next prime is 206061464797. The reversal of 206061464765 is 567464160602.

It can be written as a sum of positive squares in 4 ways, for example, as 10957274329 + 195104190436 = 104677^2 + 441706^2 .

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

It is not a de Polignac number, because 206061464765 - 2⁸ = 206061464509 is a prime.

It is a super-2 number, since 2×206061464765² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585088126 + ... + 1585088255.

It is an arithmetic number, because the mean of its divisors is an integer number (33286852011).

Almost surely, 2^206061464765 is an apocalyptic number.

It is an amenable number.

206061464765 is a deficient number, since it is larger than the sum of its proper divisors (60233351323).

206061464765 is a wasteful number, since it uses less digits than its factorization.

206061464765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170176399.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 206061464765 in words is "two hundred six billion, sixty-one million, four hundred sixty-four thousand, seven hundred sixty-five".