206869516 has 48 divisors (see below), whose sum is σ = 427242816. Its totient is φ = 85791744.

The previous prime is 206869471. The next prime is 206869519. The reversal of 206869516 is 615968602.

It is not an unprimeable number, because it can be changed into a prime (206869519) 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, 240960 + ... + 241816.

It is an arithmetic number, because the mean of its divisors is an integer number (8900892).

Almost surely, 2^206869516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206869516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213621408).

206869516 is an abundant number, since it is smaller than the sum of its proper divisors (220373300).

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

206869516 is a wasteful number, since it uses less digits than its factorization.

206869516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 206869516 is about 14382.9592226357. The cubic root of 206869516 is about 591.4238482379.

The spelling of 206869516 in words is "two hundred six million, eight hundred sixty-nine thousand, five hundred sixteen".