9161167542 has 16 divisors (see below), whose sum is σ = 18324368832. Its totient is φ = 3053383560.

The previous prime is 9161167537. The next prime is 9161167549. The reversal of 9161167542 is 2457611619.

It is a junction number, because it is equal to n+sod(n) for n = 9161167494 and 9161167503.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22684 + ... + 137247.

It is an arithmetic number, because the mean of its divisors is an integer number (1145273052).

Almost surely, 2^9161167542 is an apocalyptic number.

9161167542 is an abundant number, since it is smaller than the sum of its proper divisors (9163201290).

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

9161167542 is a wasteful number, since it uses less digits than its factorization.

9161167542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169483.

The product of its digits is 90720, while the sum is 42.

The square root of 9161167542 is about 95713.9882253373. The cubic root of 9161167542 is about 2092.4268065621.

The spelling of 9161167542 in words is "nine billion, one hundred sixty-one million, one hundred sixty-seven thousand, five hundred forty-two".