43143661660 has 48 divisors (see below), whose sum is σ = 98973417312. Its totient is φ = 15667142400.

The previous prime is 43143661657. The next prime is 43143661669. The reversal of 43143661660 is 6616634134.

It is a super-2 number, since 2×43143661660² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143661669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27490 + ... + 295030.

It is an arithmetic number, because the mean of its divisors is an integer number (2061946194).

Almost surely, 2^43143661660 is an apocalyptic number.

It is an amenable number.

43143661660 is an abundant number, since it is smaller than the sum of its proper divisors (55829755652).

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

43143661660 is a wasteful number, since it uses less digits than its factorization.

43143661660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268294 (or 268292 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 43143661660 in words is "forty-three billion, one hundred forty-three million, six hundred sixty-one thousand, six hundred sixty".