616670012 has 24 divisors (see below), whose sum is σ = 1263423840. Its totient is φ = 257840640.

The previous prime is 616669987. The next prime is 616670057. The reversal of 616670012 is 210076616.

It is a super-3 number, since 3×616670012³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267437 + ... + 269732.

It is an arithmetic number, because the mean of its divisors is an integer number (52642660).

Almost surely, 2^616670012 is an apocalyptic number.

It is an amenable number.

616670012 is an abundant number, since it is smaller than the sum of its proper divisors (646753828).

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

616670012 is a wasteful number, since it uses less digits than its factorization.

616670012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537221 (or 537219 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 616670012 is about 24832.8414000493. The cubic root of 616670012 is about 851.1725510745.

The spelling of 616670012 in words is "six hundred sixteen million, six hundred seventy thousand, twelve".