206164454015265 has 8 divisors (see below), whose sum is σ = 329863126424448. Its totient is φ = 109954375474800.

The previous prime is 206164454015249. The next prime is 206164454015347. The reversal of 206164454015265 is 562510454461602.

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

It is not a de Polignac number, because 206164454015265 - 2⁴ = 206164454015249 is a prime.

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, 6872148467161 + ... + 6872148467190.

It is an arithmetic number, because the mean of its divisors is an integer number (41232890803056).

Almost surely, 2^{206164454015265} is an apocalyptic number.

It is an amenable number.

206164454015265 is a deficient number, since it is larger than the sum of its proper divisors (123698672409183).

206164454015265 is a wasteful number, since it uses less digits than its factorization.

206164454015265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13744296934359.

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 206164454015265 in words is "two hundred six trillion, one hundred sixty-four billion, four hundred fifty-four million, fifteen thousand, two hundred sixty-five".