206642046662 has 4 divisors (see below), whose sum is σ = 309963069996. Its totient is φ = 103321023330.

The previous prime is 206642046649. The next prime is 206642046691. The reversal of 206642046662 is 266640246602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 266640246602 = 2 ⋅133320123301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51660511664 + ... + 51660511667.

It is an arithmetic number, because the mean of its divisors is an integer number (77490767499).

Almost surely, 2^206642046662 is an apocalyptic number.

206642046662 is a deficient number, since it is larger than the sum of its proper divisors (103321023334).

206642046662 is a wasteful number, since it uses less digits than its factorization.

206642046662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103321023333.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 206642046662 in words is "two hundred six billion, six hundred forty-two million, forty-six thousand, six hundred sixty-two".