206161612 has 24 divisors (see below), whose sum is σ = 371498400. Its totient is φ = 100045440.

The previous prime is 206161591. The next prime is 206161633. The reversal of 206161612 is 216161602.

206161612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206161591) and next prime (206161633).

It is a super-2 number, since 2×206161612² = 85005220524877088, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 29478 + ... + 35794.

It is an arithmetic number, because the mean of its divisors is an integer number (15479100).

Almost surely, 2^206161612 is an apocalyptic number.

It is an amenable number.

206161612 is a deficient number, since it is larger than the sum of its proper divisors (165336788).

206161612 is a wasteful number, since it uses less digits than its factorization.

206161612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561 (or 6559 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 206161612 is about 14358.3290114135. The cubic root of 206161612 is about 590.7484631159.

The spelling of 206161612 in words is "two hundred six million, one hundred sixty-one thousand, six hundred twelve".