612660206 has 16 divisors (see below), whose sum is σ = 1000717200. Its totient is φ = 280199808.

The previous prime is 612660199. The next prime is 612660221. The reversal of 612660206 is 602066216.

612660206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276875 + ... + 279078.

It is an arithmetic number, because the mean of its divisors is an integer number (62544825).

Almost surely, 2^612660206 is an apocalyptic number.

612660206 is a deficient number, since it is larger than the sum of its proper divisors (388056994).

612660206 is a wasteful number, since it uses less digits than its factorization.

612660206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556003.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 612660206 is about 24751.9737798827. The cubic root of 612660206 is about 849.3236631414.

The spelling of 612660206 in words is "six hundred twelve million, six hundred sixty thousand, two hundred six".