161383952 has 20 divisors (see below), whose sum is σ = 313040976. Its totient is φ = 80599200.

The previous prime is 161383933. The next prime is 161383969. The reversal of 161383952 is 259383161.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827 + ... + 20477.

Almost surely, 2^161383952 is an apocalyptic number.

It is an amenable number.

161383952 is a deficient number, since it is larger than the sum of its proper divisors (151657024).

161383952 is a wasteful number, since it uses less digits than its factorization.

161383952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11606 (or 11600 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 161383952 is about 12703.6983591394. The cubic root of 161383952 is about 544.4442917426. Note that the first 3 decimals are identical.

The spelling of 161383952 in words is "one hundred sixty-one million, three hundred eighty-three thousand, nine hundred fifty-two".