43554711660 has 96 divisors (see below), whose sum is σ = 123851089152. Its totient is φ = 11435178240.

The previous prime is 43554711659. The next prime is 43554711667. The reversal of 43554711660 is 6611745534.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (43554711667) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1025650 + ... + 1067270.

It is an arithmetic number, because the mean of its divisors is an integer number (1290115512).

Almost surely, 2^43554711660 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 43554711660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61925544576).

43554711660 is an abundant number, since it is smaller than the sum of its proper divisors (80296377492).

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

43554711660 is a wasteful number, since it uses less digits than its factorization.

43554711660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41903 (or 41901 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 43554711660 in words is "forty-three billion, five hundred fifty-four million, seven hundred eleven thousand, six hundred sixty".