905329161 has 12 divisors (see below), whose sum is σ = 1426579440. Its totient is φ = 548684280.

The previous prime is 905329147. The next prime is 905329193. The reversal of 905329161 is 161923509.

It is not a de Polignac number, because 905329161 - 2⁵ = 905329129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (905329141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4572271 + ... + 4572468.

It is an arithmetic number, because the mean of its divisors is an integer number (118881620).

Almost surely, 2^905329161 is an apocalyptic number.

It is an amenable number.

905329161 is a deficient number, since it is larger than the sum of its proper divisors (521250279).

905329161 is a wasteful number, since it uses less digits than its factorization.

905329161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144756 (or 9144753 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 905329161 is about 30088.6882565525. The cubic root of 905329161 is about 967.3912831790.

The spelling of 905329161 in words is "nine hundred five million, three hundred twenty-nine thousand, one hundred sixty-one".