161948952 has 48 divisors (see below), whose sum is σ = 478487880. Its totient is φ = 49075200.

The previous prime is 161948921. The next prime is 161948959. The reversal of 161948952 is 259849161.

161948952 is a `hidden beast` number, since 161 + 9 + 489 + 5 + 2 = 666.

161948952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161948898 and 161948907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161948959) 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, 101449 + ... + 103032.

Almost surely, 2^161948952 is an apocalyptic number.

161948952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161948952 is an abundant number, since it is smaller than the sum of its proper divisors (316538928).

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

161948952 is a wasteful number, since it uses less digits than its factorization.

161948952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204504 (or 204497 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 161948952 is about 12725.9165485241. The cubic root of 161948952 is about 545.0789123453.

The spelling of 161948952 in words is "one hundred sixty-one million, nine hundred forty-eight thousand, nine hundred fifty-two".