161054196 has 48 divisors (see below), whose sum is σ = 384326208. Its totient is φ = 52480000.

The previous prime is 161054147. The next prime is 161054237. The reversal of 161054196 is 691450161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99796 + ... + 101396.

It is an arithmetic number, because the mean of its divisors is an integer number (8006796).

Almost surely, 2^161054196 is an apocalyptic number.

It is an amenable number.

161054196 is an abundant number, since it is smaller than the sum of its proper divisors (223272012).

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

161054196 is a wasteful number, since it uses less digits than its factorization.

161054196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 161054196 is about 12690.7129823348. The cubic root of 161054196 is about 544.0732176898.

It can be divided in two parts, 16105 and 4196, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 161054196 in words is "one hundred sixty-one million, fifty-four thousand, one hundred ninety-six".