161054347 has 4 divisors (see below), whose sum is σ = 161217856. Its totient is φ = 160890840.

The previous prime is 161054321. The next prime is 161054353. The reversal of 161054347 is 743450161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161054347 - 2¹¹ = 161052299 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161054357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80268 + ... + 82249.

It is an arithmetic number, because the mean of its divisors is an integer number (40304464).

Almost surely, 2^161054347 is an apocalyptic number.

161054347 is a deficient number, since it is larger than the sum of its proper divisors (163509).

161054347 is an equidigital number, since it uses as much as digits as its factorization.

161054347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163508.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 161054347 is about 12690.7189315657. The cubic root of 161054347 is about 544.0733877258.

The spelling of 161054347 in words is "one hundred sixty-one million, fifty-four thousand, three hundred forty-seven".