206712155262 has 8 divisors (see below), whose sum is σ = 413424310536. Its totient is φ = 68904051752.

The previous prime is 206712155201. The next prime is 206712155311. The reversal of 206712155262 is 262551217602.

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

206712155262 is an admirable number.

It is a super-2 number, since 2×206712155262² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206712155262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17226012933 + ... + 17226012944.

It is an arithmetic number, because the mean of its divisors is an integer number (51678038817).

Almost surely, 2^206712155262 is an apocalyptic number.

206712155262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206712155262 is a wasteful number, since it uses less digits than its factorization.

206712155262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34452025882.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 206712155262 in words is "two hundred six billion, seven hundred twelve million, one hundred fifty-five thousand, two hundred sixty-two".