612116652 has 24 divisors (see below), whose sum is σ = 1632311296. Its totient is φ = 174890448.

The previous prime is 612116651. The next prime is 612116693. The reversal of 612116652 is 256611216.

It is not an unprimeable number, because it can be changed into a prime (612116651) by changing a digit.

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, 3643468 + ... + 3643635.

Almost surely, 2^612116652 is an apocalyptic number.

It is an amenable number.

612116652 is an abundant number, since it is smaller than the sum of its proper divisors (1020194644).

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

612116652 is a wasteful number, since it uses less digits than its factorization.

612116652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287117 (or 7287115 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 612116652 is about 24740.9913301792. The cubic root of 612116652 is about 849.0724146440.

Adding to 612116652 its reverse (256611216), we get a palindrome (868727868).

The spelling of 612116652 in words is "six hundred twelve million, one hundred sixteen thousand, six hundred fifty-two".