43262456661 has 12 divisors (see below), whose sum is σ = 63514645740. Its totient is φ = 28368823680.

The previous prime is 43262456641. The next prime is 43262456669. The reversal of 43262456661 is 16665426234.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 756800100 + 42505656561 = 27510^2 + 206169^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43262456661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43262456669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39400596 + ... + 39401693.

It is an arithmetic number, because the mean of its divisors is an integer number (5292887145).

Almost surely, 2^43262456661 is an apocalyptic number.

It is an amenable number.

43262456661 is a deficient number, since it is larger than the sum of its proper divisors (20252189079).

43262456661 is a wasteful number, since it uses less digits than its factorization.

43262456661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78802356 (or 78802353 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 43262456661 in words is "forty-three billion, two hundred sixty-two million, four hundred fifty-six thousand, six hundred sixty-one".