47616660 has 480 divisors, whose sum is σ = 204906240. Its totient is φ = 8957952.

The previous prime is 47616617. The next prime is 47616671. The reversal of 47616660 is 6661674.

47616660 = T₁₆₃₂ + T₁₆₃₃ + ... + T₁₆₆₆.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2506131 + ... + 2506149.

It is an arithmetic number, because the mean of its divisors is an integer number (426888).

Almost surely, 2^47616660 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 47616660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102453120).

47616660 is an abundant number, since it is smaller than the sum of its proper divisors (157289580).

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

47616660 is a wasteful number, since it uses less digits than its factorization.

47616660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 47616660 is about 6900.4825918192. The cubic root of 47616660 is about 362.4540663162.

The spelling of 47616660 in words is "forty-seven million, six hundred sixteen thousand, six hundred sixty".