4661816447376 has 225 divisors, whose sum is σ = 14360840916955. Its totient is φ = 1411721636160.

The previous prime is 4661816447347. The next prime is 4661816447437. The reversal of 4661816447376 is 6737446181664.

It is a happy number.

The square root of 4661816447376 is 2159124.

It is a perfect power (a square), and thus also a powerful number.

4661816447376 is a `hidden beast` number, since 4 + 6 + 6 + 181 + 6 + 447 + 3 + 7 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3135047305 + ... + 3135048791.

Almost surely, 2^{4661816447376} is an apocalyptic number.

4661816447376 is the 2159124-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4661816447376

4661816447376 is an abundant number, since it is smaller than the sum of its proper divisors (9699024469579).

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

4661816447376 is an frugal number, since it uses more digits than its factorization.

4661816447376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032 (or 1503 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 4661816447376 in words is "four trillion, six hundred sixty-one billion, eight hundred sixteen million, four hundred forty-seven thousand, three hundred seventy-six".