206155416 has 64 divisors (see below), whose sum is σ = 541728000. Its totient is φ = 65294208.

The previous prime is 206155393. The next prime is 206155423. The reversal of 206155416 is 614551602.

It is a super-2 number, since 2×206155416² = 85000111092266112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35485 + ... + 40883.

It is an arithmetic number, because the mean of its divisors is an integer number (8464500).

Almost surely, 2^206155416 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 206155416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270864000).

206155416 is an abundant number, since it is smaller than the sum of its proper divisors (335572584).

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

206155416 is a wasteful number, since it uses less digits than its factorization.

206155416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488 (or 5484 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 206155416 is about 14358.1132465237. The cubic root of 206155416 is about 590.7425449205.

The spelling of 206155416 in words is "two hundred six million, one hundred fifty-five thousand, four hundred sixteen".