161077363 has 4 divisors (see below), whose sum is σ = 170552520. Its totient is φ = 151602208.

The previous prime is 161077361. The next prime is 161077369. The reversal of 161077363 is 363770161.

It is a happy number.

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 161077363 - 2¹ = 161077361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161077361) 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, 4737553 + ... + 4737586.

It is an arithmetic number, because the mean of its divisors is an integer number (42638130).

Almost surely, 2^161077363 is an apocalyptic number.

161077363 is a deficient number, since it is larger than the sum of its proper divisors (9475157).

161077363 is an equidigital number, since it uses as much as digits as its factorization.

161077363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475156.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 161077363 is about 12691.6257035890. The cubic root of 161077363 is about 544.0993040223.

The spelling of 161077363 in words is "one hundred sixty-one million, seventy-seven thousand, three hundred sixty-three".