913088161 has 4 divisors (see below), whose sum is σ = 925596292. Its totient is φ = 900580032.

The previous prime is 913088153. The next prime is 913088213. The reversal of 913088161 is 161880319.

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

It can be written as a sum of positive squares in 2 ways, for example, as 788542561 + 124545600 = 28081^2 + 11160^2 .

It is a cyclic number.

It is not a de Polignac number, because 913088161 - 2³ = 913088153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 913088161.

It is not an unprimeable number, because it can be changed into a prime (913088861) 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, 6253956 + ... + 6254101.

It is an arithmetic number, because the mean of its divisors is an integer number (231399073).

Almost surely, 2^913088161 is an apocalyptic number.

It is an amenable number.

913088161 is a deficient number, since it is larger than the sum of its proper divisors (12508131).

913088161 is a wasteful number, since it uses less digits than its factorization.

913088161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508130.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 913088161 is about 30217.3486758849. The cubic root of 913088161 is about 970.1470570963.

The spelling of 913088161 in words is "nine hundred thirteen million, eighty-eight thousand, one hundred sixty-one".