4663031646 has 64 divisors (see below), whose sum is σ = 11607321600. Its totient is φ = 1215979776.

The previous prime is 4663031617. The next prime is 4663031683. The reversal of 4663031646 is 6461303664.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615 + ... + 96573.

It is an arithmetic number, because the mean of its divisors is an integer number (181364400).

Almost surely, 2^4663031646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4663031646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5803660800).

4663031646 is an abundant number, since it is smaller than the sum of its proper divisors (6944289954).

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

4663031646 is a wasteful number, since it uses less digits than its factorization.

4663031646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96073.

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 4663031646 is about 68286.3942963750. The cubic root of 4663031646 is about 1670.6653074819.

The spelling of 4663031646 in words is "four billion, six hundred sixty-three million, thirty-one thousand, six hundred forty-six".