612016818 has 32 divisors (see below), whose sum is σ = 1444024320. Its totient is φ = 169220880.

The previous prime is 612016817. The next prime is 612016829. The reversal of 612016818 is 818610216.

It is not an unprimeable number, because it can be changed into a prime (612016817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233728 + ... + 236331.

It is an arithmetic number, because the mean of its divisors is an integer number (45125760).

Almost surely, 2^612016818 is an apocalyptic number.

612016818 is an abundant number, since it is smaller than the sum of its proper divisors (832007502).

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

612016818 is a wasteful number, since it uses less digits than its factorization.

612016818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470102.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 612016818 is about 24738.9736650492. The cubic root of 612016818 is about 849.0262519265.

The spelling of 612016818 in words is "six hundred twelve million, sixteen thousand, eight hundred eighteen".