206162420450434 has 16 divisors (see below), whose sum is σ = 354055800817728. Its totient is φ = 88196695895952.

The previous prime is 206162420450429. The next prime is 206162420450447. The reversal of 206162420450434 is 434054024261602.

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, 13218921444 + ... + 13218937039.

It is an arithmetic number, because the mean of its divisors is an integer number (22128487551108).

Almost surely, 2^{206162420450434} is an apocalyptic number.

206162420450434 is a deficient number, since it is larger than the sum of its proper divisors (147893380367294).

206162420450434 is a wasteful number, since it uses less digits than its factorization.

206162420450434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26437859049.

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 206162420450434 in words is "two hundred six trillion, one hundred sixty-two billion, four hundred twenty million, four hundred fifty thousand, four hundred thirty-four".