1601120196 has 243 divisors, whose sum is σ = 4803008301. Its totient is φ = 466723296.

The previous prime is 1601120161. The next prime is 1601120201. The reversal of 1601120196 is 6910211061.

The square root of 1601120196 is 40014.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 236852100 + 1364268096 = 15390^2 + 36936^2 .

It is a tau number, because it is divible by the number of its divisors (243).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 80 ways as a sum of consecutive naturals, for example, 84269475 + ... + 84269493.

Almost surely, 2^1601120196 is an apocalyptic number.

1601120196 is the 40014-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601120196

1601120196 is an abundant number, since it is smaller than the sum of its proper divisors (3201888105).

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

1601120196 is an equidigital number, since it uses as much as digits as its factorization.

1601120196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The cubic root of 1601120196 is about 1169.8799876902.

The spelling of 1601120196 in words is "one billion, six hundred one million, one hundred twenty thousand, one hundred ninety-six".