206410441663145 has 128 divisors (see below), whose sum is σ = 267438210624000. Its totient is φ = 152485162647552.

The previous prime is 206410441663103. The next prime is 206410441663157. The reversal of 206410441663145 is 541366144014602.

It is a cyclic number.

It is not a de Polignac number, because 206410441663145 - 2²⁸ = 206410173227689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206410441663145.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 102335369177 + ... + 102335371193.

It is an arithmetic number, because the mean of its divisors is an integer number (2089361020500).

Almost surely, 2^{206410441663145} is an apocalyptic number.

It is an amenable number.

206410441663145 is a deficient number, since it is larger than the sum of its proper divisors (61027768960855).

206410441663145 is a wasteful number, since it uses less digits than its factorization.

206410441663145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907.

The product of its (nonzero) digits is 1658880, while the sum is 47.

Adding to 206410441663145 its reverse (541366144014602), we get a palindrome (747776585677747).

The spelling of 206410441663145 in words is "two hundred six trillion, four hundred ten billion, four hundred forty-one million, six hundred sixty-three thousand, one hundred forty-five".