612606606216 has 64 divisors (see below), whose sum is σ = 1674323239680. Its totient is φ = 185240815680.

The previous prime is 612606606103. The next prime is 612606606247.

It is a happy number.

612606606216 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361166 + ... + 2607741.

It is an arithmetic number, because the mean of its divisors is an integer number (26161300620).

Almost surely, 2^612606606216 is an apocalyptic number.

612606606216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

612606606216 is an abundant number, since it is smaller than the sum of its proper divisors (1061716633464).

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

612606606216 is a wasteful number, since it uses less digits than its factorization.

612606606216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969394 (or 4969390 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 612606606216 in words is "six hundred twelve billion, six hundred six million, six hundred six thousand, two hundred sixteen".