161132948 has 12 divisors (see below), whose sum is σ = 283460352. Its totient is φ = 80144280.

The previous prime is 161132929. The next prime is 161132957. The reversal of 161132948 is 849231161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104690 + ... + 106217.

It is an arithmetic number, because the mean of its divisors is an integer number (23621696).

Almost surely, 2^161132948 is an apocalyptic number.

It is an amenable number.

161132948 is a deficient number, since it is larger than the sum of its proper divisors (122327404).

161132948 is a wasteful number, since it uses less digits than its factorization.

161132948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211102 (or 211100 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 161132948 is about 12693.8153444896. The cubic root of 161132948 is about 544.1618832307.

The spelling of 161132948 in words is "one hundred sixty-one million, one hundred thirty-two thousand, nine hundred forty-eight".