72150321016 has 32 divisors (see below), whose sum is σ = 140557968000. Its totient is φ = 34679062656.

The previous prime is 72150320999. The next prime is 72150321029. The reversal of 72150321016 is 61012305127.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625896 + ... + 732151.

It is an arithmetic number, because the mean of its divisors is an integer number (4392436500).

Almost surely, 2^72150321016 is an apocalyptic number.

It is an amenable number.

72150321016 is a deficient number, since it is larger than the sum of its proper divisors (68407646984).

72150321016 is a wasteful number, since it uses less digits than its factorization.

72150321016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358311 (or 1358307 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 72150321016 in words is "seventy-two billion, one hundred fifty million, three hundred twenty-one thousand, sixteen".