161360751 has 8 divisors (see below), whose sum is σ = 215218944. Its totient is φ = 107538200.

The previous prime is 161360743. The next prime is 161360783. The reversal of 161360751 is 157063161.

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 161360751 - 2³ = 161360743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161360741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4570 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (26902368).

Almost surely, 2^161360751 is an apocalyptic number.

161360751 is a deficient number, since it is larger than the sum of its proper divisors (53858193).

161360751 is a wasteful number, since it uses less digits than its factorization.

161360751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17821.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 161360751 is about 12702.7851670411. The cubic root of 161360751 is about 544.4182002235.

The spelling of 161360751 in words is "one hundred sixty-one million, three hundred sixty thousand, seven hundred fifty-one".