612106194 has 32 divisors (see below), whose sum is σ = 1418812416. Its totient is φ = 172423440.

The previous prime is 612106163. The next prime is 612106213. The reversal of 612106194 is 491601216.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99652 + ... + 105615.

It is an arithmetic number, because the mean of its divisors is an integer number (44337888).

Almost surely, 2^612106194 is an apocalyptic number.

612106194 is an abundant number, since it is smaller than the sum of its proper divisors (806706222).

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

612106194 is a wasteful number, since it uses less digits than its factorization.

612106194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205350.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 612106194 is about 24740.7799796207. The cubic root of 612106194 is about 849.0675791551.

The spelling of 612106194 in words is "six hundred twelve million, one hundred six thousand, one hundred ninety-four".