363405161 has 4 divisors (see below), whose sum is σ = 415320192. Its totient is φ = 311490132.

The previous prime is 363405151. The next prime is 363405167. The reversal of 363405161 is 161504363.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-363405161 is a prime.

It is a super-2 number, since 2×363405161² = 264126622082871842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (363405167) 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, 25957505 + ... + 25957518.

It is an arithmetic number, because the mean of its divisors is an integer number (103830048).

Almost surely, 2^363405161 is an apocalyptic number.

It is an amenable number.

363405161 is a deficient number, since it is larger than the sum of its proper divisors (51915031).

363405161 is an equidigital number, since it uses as much as digits as its factorization.

363405161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51915030.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 363405161 is about 19063.1886367418. The cubic root of 363405161 is about 713.6145509303.

The spelling of 363405161 in words is "three hundred sixty-three million, four hundred five thousand, one hundred sixty-one".