206516105210 has 32 divisors (see below), whose sum is σ = 372714912000. Its totient is φ = 82387585728.

The previous prime is 206516105197. The next prime is 206516105219. The reversal of 206516105210 is 12501615602.

It is a happy number.

It is a super-2 number, since 2×206516105210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206516105219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7428416 + ... + 7456164.

It is an arithmetic number, because the mean of its divisors is an integer number (11647341000).

Almost surely, 2^206516105210 is an apocalyptic number.

206516105210 is a deficient number, since it is larger than the sum of its proper divisors (166198806790).

206516105210 is a wasteful number, since it uses less digits than its factorization.

206516105210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29702.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 206516105210 in words is "two hundred six billion, five hundred sixteen million, one hundred five thousand, two hundred ten".