4661499886680 has 256 divisors, whose sum is σ = 17217945400320. Its totient is φ = 983167911936.

The previous prime is 4661499886619. The next prime is 4661499886709. The reversal of 4661499886680 is 866889941664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30532614 + ... + 30684906.

It is an arithmetic number, because the mean of its divisors is an integer number (67257599220).

Almost surely, 2^{4661499886680} is an apocalyptic number.

4661499886680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4661499886680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8608972700160).

4661499886680 is an abundant number, since it is smaller than the sum of its proper divisors (12556445513640).

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

4661499886680 is a wasteful number, since it uses less digits than its factorization.

4661499886680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155130 (or 155126 counting only the distinct ones).

The product of its (nonzero) digits is 859963392, while the sum is 75.

The spelling of 4661499886680 in words is "four trillion, six hundred sixty-one billion, four hundred ninety-nine million, eight hundred eighty-six thousand, six hundred eighty".