47661516 has 108 divisors (see below), whose sum is σ = 143783640. Its totient is φ = 13265280.

The previous prime is 47661503. The next prime is 47661517. The reversal of 47661516 is 61516674.

47661516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47661517) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 71995 + ... + 72653.

It is an arithmetic number, because the mean of its divisors is an integer number (1331330).

Almost surely, 2^47661516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47661516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71891820).

47661516 is an abundant number, since it is smaller than the sum of its proper divisors (96122124).

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

47661516 is a wasteful number, since it uses less digits than its factorization.

47661516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 712 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 47661516 is about 6903.7320341972. The cubic root of 47661516 is about 362.5678439804.

The spelling of 47661516 in words is "forty-seven million, six hundred sixty-one thousand, five hundred sixteen".