4661632550 has 48 divisors (see below), whose sum is σ = 8982014400. Its totient is φ = 1797868800.

The previous prime is 4661632531. The next prime is 4661632601. The reversal of 4661632550 is 552361664.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1319186 + ... + 1322714.

It is an arithmetic number, because the mean of its divisors is an integer number (187125300).

Almost surely, 2^4661632550 is an apocalyptic number.

4661632550 is a deficient number, since it is larger than the sum of its proper divisors (4320381850).

4661632550 is a wasteful number, since it uses less digits than its factorization.

4661632550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481 (or 4476 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 4661632550 is about 68276.1492030709. The cubic root of 4661632550 is about 1670.4982019635.

The spelling of 4661632550 in words is "four billion, six hundred sixty-one million, six hundred thirty-two thousand, five hundred fifty".