9161167543 has 8 divisors (see below), whose sum is σ = 9996875280. Its totient is φ = 8325938880.

The previous prime is 9161167537. The next prime is 9161167549. The reversal of 9161167543 is 3457611619.

It is an interprime number because it is at equal distance from previous prime (9161167537) and next prime (9161167549).

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

It is a cyclic number.

It is not a de Polignac number, because 9161167543 - 2⁹ = 9161167031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9161167543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9161167549) 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, 79180 + ... + 156817.

It is an arithmetic number, because the mean of its divisors is an integer number (1249609410).

Almost surely, 2^9161167543 is an apocalyptic number.

9161167543 is a deficient number, since it is larger than the sum of its proper divisors (835707737).

9161167543 is a wasteful number, since it uses less digits than its factorization.

9161167543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239537.

The product of its digits is 136080, while the sum is 43.

The square root of 9161167543 is about 95713.9882305612. The cubic root of 9161167543 is about 2092.4268066382.

The spelling of 9161167543 in words is "nine billion, one hundred sixty-one million, one hundred sixty-seven thousand, five hundred forty-three".