4591666754664 has 128 divisors (see below), whose sum is σ = 13285414972800. Its totient is φ = 1306992803840.

The previous prime is 4591666754659. The next prime is 4591666754687. The reversal of 4591666754664 is 4664576661954.

It is a happy 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, 1279384 + ... + 3289400.

It is an arithmetic number, because the mean of its divisors is an integer number (103792304475).

Almost surely, 2^{4591666754664} is an apocalyptic number.

4591666754664 is a gapful number since it is divisible by the number (44) 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 4591666754664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6642707486400).

4591666754664 is an abundant number, since it is smaller than the sum of its proper divisors (8693748218136).

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

4591666754664 is a wasteful number, since it uses less digits than its factorization.

4591666754664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010563 (or 2010559 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 69.

The spelling of 4591666754664 in words is "four trillion, five hundred ninety-one billion, six hundred sixty-six million, seven hundred fifty-four thousand, six hundred sixty-four".