72216852051 has 8 divisors (see below), whose sum is σ = 96290469520. Its totient is φ = 48143901312.

The previous prime is 72216852047. The next prime is 72216852061. The reversal of 72216852051 is 15025861227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72216852051 - 2² = 72216852047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72216852061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203511 + ... + 431103.

It is an arithmetic number, because the mean of its divisors is an integer number (12036308690).

Almost surely, 2^72216852051 is an apocalyptic number.

72216852051 is a deficient number, since it is larger than the sum of its proper divisors (24073617469).

72216852051 is a wasteful number, since it uses less digits than its factorization.

72216852051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333365.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 72216852051 in words is "seventy-two billion, two hundred sixteen million, eight hundred fifty-two thousand, fifty-one".