206451164 has 24 divisors (see below), whose sum is σ = 366458400. Its totient is φ = 101756160.

The previous prime is 206451163. The next prime is 206451181. The reversal of 206451164 is 461154602.

206451164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206451163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155624 + ... + 156944.

It is an arithmetic number, because the mean of its divisors is an integer number (15269100).

Almost surely, 2^206451164 is an apocalyptic number.

It is an amenable number.

206451164 is a deficient number, since it is larger than the sum of its proper divisors (160007236).

206451164 is a wasteful number, since it uses less digits than its factorization.

206451164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 206451164 is about 14368.4085409624. The cubic root of 206451164 is about 591.0249005821.

The spelling of 206451164 in words is "two hundred six million, four hundred fifty-one thousand, one hundred sixty-four".