161494828148 has 12 divisors (see below), whose sum is σ = 282674848932. Its totient is φ = 80730585600.

The previous prime is 161494828129. The next prime is 161494828151. The reversal of 161494828148 is 841828494161.

161494828148 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 85154243344 + 76340584804 = 291812^2 + 276298^2 .

It is a super-3 number, since 3×161494828148³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161494828093 and 161494828102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4185515 + ... + 4223922.

It is an arithmetic number, because the mean of its divisors is an integer number (23556237411).

Almost surely, 2^161494828148 is an apocalyptic number.

It is an amenable number.

161494828148 is a deficient number, since it is larger than the sum of its proper divisors (121180020784).

161494828148 is a wasteful number, since it uses less digits than its factorization.

161494828148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414242 (or 8414240 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 56.

The spelling of 161494828148 in words is "one hundred sixty-one billion, four hundred ninety-four million, eight hundred twenty-eight thousand, one hundred forty-eight".