47534565663816 has 512 divisors, whose sum is σ = 160253868441600. Its totient is φ = 11377651599360.

The previous prime is 47534565663733. The next prime is 47534565663821. The reversal of 47534565663816 is 61836656543574.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 268904676 + ... + 269081388.

It is an arithmetic number, because the mean of its divisors is an integer number (312995836800).

Almost surely, 2^{47534565663816} 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 47534565663816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80126934220800).

47534565663816 is an abundant number, since it is smaller than the sum of its proper divisors (112719302777784).

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

47534565663816 is a wasteful number, since it uses less digits than its factorization.

47534565663816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176969 (or 176965 counting only the distinct ones).

The product of its digits is 1306368000, while the sum is 69.

The spelling of 47534565663816 in words is "forty-seven trillion, five hundred thirty-four billion, five hundred sixty-five million, six hundred sixty-three thousand, eight hundred sixteen".