46909161 has 18 divisors (see below), whose sum is σ = 73373118. Its totient is φ = 28866240.

The previous prime is 46909151. The next prime is 46909199. The reversal of 46909161 is 16190964.

It can be written as a sum of positive squares in 3 ways, for example, as 1265625 + 45643536 = 1125^2 + 6756^2 .

It is not a de Polignac number, because 46909161 - 2⁵ = 46909129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46909151) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13900 + ... + 16941.

Almost surely, 2^46909161 is an apocalyptic number.

It is an amenable number.

46909161 is a deficient number, since it is larger than the sum of its proper divisors (26463957).

46909161 is a wasteful number, since it uses less digits than its factorization.

46909161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30873 (or 30857 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 46909161 is about 6849.0262811585. The cubic root of 46909161 is about 360.6499600861.

The spelling of 46909161 in words is "forty-six million, nine hundred nine thousand, one hundred sixty-one".