7181212416 has 72 divisors (see below), whose sum is σ = 21842870784. Its totient is φ = 2051773440.

The previous prime is 7181212327. The next prime is 7181212457. The reversal of 7181212416 is 6142121817.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662520 + ... + 673271.

Almost surely, 2^7181212416 is an apocalyptic number.

It is an amenable number.

7181212416 is an abundant number, since it is smaller than the sum of its proper divisors (14661658368).

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

7181212416 is a wasteful number, since it uses less digits than its factorization.

7181212416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335817 (or 1335803 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 7181212416 is about 84742.0345283260. The cubic root of 7181212416 is about 1929.2977494675.

The spelling of 7181212416 in words is "seven billion, one hundred eighty-one million, two hundred twelve thousand, four hundred sixteen".