206472066 has 16 divisors (see below), whose sum is σ = 417202464. Its totient is φ = 68114304.

The previous prime is 206471981. The next prime is 206472067. The reversal of 206472066 is 660274602.

It is not an unprimeable number, because it can be changed into a prime (206472067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176800 + ... + 177963.

It is an arithmetic number, because the mean of its divisors is an integer number (26075154).

Almost surely, 2^206472066 is an apocalyptic number.

206472066 is an abundant number, since it is smaller than the sum of its proper divisors (210730398).

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

206472066 is a wasteful number, since it uses less digits than its factorization.

206472066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354865.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 206472066 is about 14369.1358821608. The cubic root of 206472066 is about 591.0448458730.

The spelling of 206472066 in words is "two hundred six million, four hundred seventy-two thousand, sixty-six".