4072742166543 has 8 divisors (see below), whose sum is σ = 5463637753728. Its totient is φ = 2698504011864.

The previous prime is 4072742166527. The next prime is 4072742166547. The reversal of 4072742166543 is 3456612472704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4072742166543 - 2⁴ = 4072742166527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072742166547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4164357555 + ... + 4164358532.

It is an arithmetic number, because the mean of its divisors is an integer number (682954719216).

Almost surely, 2^{4072742166543} is an apocalyptic number.

4072742166543 is a deficient number, since it is larger than the sum of its proper divisors (1390895587185).

4072742166543 is a wasteful number, since it uses less digits than its factorization.

4072742166543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328716253.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 4072742166543 in words is "four trillion, seventy-two billion, seven hundred forty-two million, one hundred sixty-six thousand, five hundred forty-three".