47606662656 has 840 divisors, whose sum is σ = 175905627480. Its totient is φ = 12791955456.

The previous prime is 47606662603. The next prime is 47606662669. The reversal of 47606662656 is 65626660674.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 347493820 + ... + 347493956.

Almost surely, 2^47606662656 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 47606662656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87952813740).

47606662656 is an abundant number, since it is smaller than the sum of its proper divisors (128298964824).

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

47606662656 is an equidigital number, since it uses as much as digits as its factorization.

47606662656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 47606662656 in words is "forty-seven billion, six hundred six million, six hundred sixty-two thousand, six hundred fifty-six".