161348512 has 24 divisors (see below), whose sum is σ = 342090756. Its totient is φ = 74468352.

The previous prime is 161348503. The next prime is 161348531. The reversal of 161348512 is 215843161.

It can be written as a sum of positive squares in 2 ways, for example, as 135582736 + 25765776 = 11644^2 + 5076^2 .

It is a super-2 number, since 2×161348512² = 52066684649228288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193513 + ... + 194344.

Almost surely, 2^161348512 is an apocalyptic number.

It is an amenable number.

161348512 is an abundant number, since it is smaller than the sum of its proper divisors (180742244).

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

161348512 is a wasteful number, since it uses less digits than its factorization.

161348512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387880 (or 387872 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 161348512 is about 12702.3034131609. The cubic root of 161348512 is about 544.4044354082.

The spelling of 161348512 in words is "one hundred sixty-one million, three hundred forty-eight thousand, five hundred twelve".