1613516212 has 24 divisors (see below), whose sum is σ = 3520399680. Its totient is φ = 628642560.

The previous prime is 1613516207. The next prime is 1613516213. The reversal of 1613516212 is 2126153161.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613516213) 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, 2619037 + ... + 2619652.

It is an arithmetic number, because the mean of its divisors is an integer number (146683320).

Almost surely, 2^1613516212 is an apocalyptic number.

It is an amenable number.

1613516212 is an abundant number, since it is smaller than the sum of its proper divisors (1906883468).

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

1613516212 is a wasteful number, since it uses less digits than its factorization.

1613516212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238711 (or 5238709 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 1613516212 is about 40168.5973367256. The cubic root of 1613516212 is about 1172.8913348602.

Adding to 1613516212 its reverse (2126153161), we get a palindrome (3739669373).

The spelling of 1613516212 in words is "one billion, six hundred thirteen million, five hundred sixteen thousand, two hundred twelve".