725016002751616 has 64 divisors (see below), whose sum is σ = 1457631699638400. Its totient is φ = 359179085583360.

The previous prime is 725016002751583. The next prime is 725016002751629. The reversal of 725016002751616 is 616157200610527.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×725016002751616² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725016002751616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3044081751 + ... + 3044319913.

It is an arithmetic number, because the mean of its divisors is an integer number (22775495306850).

Almost surely, 2^{725016002751616} is an apocalyptic number.

It is an amenable number.

725016002751616 is an abundant number, since it is smaller than the sum of its proper divisors (732615696886784).

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

725016002751616 is a wasteful number, since it uses less digits than its factorization.

725016002751616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456477 (or 456465 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 725016002751616 in words is "seven hundred twenty-five trillion, sixteen billion, two million, seven hundred fifty-one thousand, six hundred sixteen".