206642161246602 has 16 divisors (see below), whose sum is σ = 413286119781120. Its totient is φ = 68880420867552.

The previous prime is 206642161246589. The next prime is 206642161246637.

It is a happy number.

206642161246602 is nontrivially palindromic in base 10.

206642161246602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206642161246602² (a number of 29 digits) contains 22 as substring.

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, 73390027 + ... + 76153662.

It is an arithmetic number, because the mean of its divisors is an integer number (25830382486320).

Almost surely, 2^{206642161246602} is an apocalyptic number.

206642161246602 is an abundant number, since it is smaller than the sum of its proper divisors (206643958534518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206642161246602 is a wasteful number, since it uses less digits than its factorization.

206642161246602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149773997.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 206642161246602 in words is "two hundred six trillion, six hundred forty-two billion, one hundred sixty-one million, two hundred forty-six thousand, six hundred two".