29871537216196 has 81 divisors (see below), whose sum is σ = 58499198724519. Its totient is φ = 13340158228800.

The previous prime is 29871537216179. The next prime is 29871537216211. The reversal of 29871537216196 is 69161273517892.

The square root of 29871537216196 is 5465486.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5803329180100 + 24068208036096 = 2409010^2 + 4905936^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4405178326 + ... + 4405185106.

Almost surely, 2^{29871537216196} is an apocalyptic number.

29871537216196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29871537216196 is the 5465486-th square number.

It is an amenable number.

29871537216196 is a deficient number, since it is larger than the sum of its proper divisors (28627661508323).

29871537216196 is an frugal number, since it uses more digits than its factorization.

29871537216196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654 (or 6827 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 67.

The spelling of 29871537216196 in words is "twenty-nine trillion, eight hundred seventy-one billion, five hundred thirty-seven million, two hundred sixteen thousand, one hundred ninety-six".