161736952 has 16 divisors (see below), whose sum is σ = 326584440. Its totient is φ = 74647776.

The previous prime is 161736947. The next prime is 161736959. The reversal of 161736952 is 259637161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161736959) 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, 777478 + ... + 777685.

Almost surely, 2^161736952 is an apocalyptic number.

It is an amenable number.

161736952 is an abundant number, since it is smaller than the sum of its proper divisors (164847488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161736952 is a wasteful number, since it uses less digits than its factorization.

161736952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555182 (or 1555178 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 161736952 is about 12717.5843618197. The cubic root of 161736952 is about 544.8409624892.

The spelling of 161736952 in words is "one hundred sixty-one million, seven hundred thirty-six thousand, nine hundred fifty-two".