721722300116 has 48 divisors (see below), whose sum is σ = 1343187982080. Its totient is φ = 338144002560.

The previous prime is 721722300083. The next prime is 721722300197. The reversal of 721722300116 is 611003227127.

It is a super-2 number, since 2×721722300116² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15380546 + ... + 15427398.

It is an arithmetic number, because the mean of its divisors is an integer number (27983082960).

Almost surely, 2^721722300116 is an apocalyptic number.

It is an amenable number.

721722300116 is a deficient number, since it is larger than the sum of its proper divisors (621465681964).

721722300116 is a wasteful number, since it uses less digits than its factorization.

721722300116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47864 (or 47862 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 721722300116 in words is "seven hundred twenty-one billion, seven hundred twenty-two million, three hundred thousand, one hundred sixteen".