161074743 has 8 divisors (see below), whose sum is σ = 215140848. Its totient is φ = 107195904.

The previous prime is 161074741. The next prime is 161074769. The reversal of 161074743 is 347470161.

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

It is not a de Polignac number, because 161074743 - 2¹ = 161074741 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161074741) 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, 44796 + ... + 48257.

It is an arithmetic number, because the mean of its divisors is an integer number (26892606).

Almost surely, 2^161074743 is an apocalyptic number.

161074743 is a deficient number, since it is larger than the sum of its proper divisors (54066105).

161074743 is an equidigital number, since it uses as much as digits as its factorization.

161074743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93633.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 161074743 is about 12691.5224855019. The cubic root of 161074743 is about 544.0963539949.

The spelling of 161074743 in words is "one hundred sixty-one million, seventy-four thousand, seven hundred forty-three".