47601721501816 has 32 divisors (see below), whose sum is σ = 91329547201200. Its totient is φ = 23247183617280.

The previous prime is 47601721501777. The next prime is 47601721501819. The reversal of 47601721501816 is 61810512710674.

47601721501816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47601721501816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47601721501819) by changing a digit.

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, 56274486 + ... + 57114106.

Almost surely, 2^{47601721501816} is an apocalyptic number.

It is an amenable number.

47601721501816 is a deficient number, since it is larger than the sum of its proper divisors (43727825699384).

47601721501816 is a wasteful number, since it uses less digits than its factorization.

47601721501816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004479 (or 1004475 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 47601721501816 in words is "forty-seven trillion, six hundred one billion, seven hundred twenty-one million, five hundred one thousand, eight hundred sixteen".