1601109232 has 40 divisors (see below), whose sum is σ = 3291753600. Its totient is φ = 751828992.

The previous prime is 1601109221. The next prime is 1601109241. The reversal of 1601109232 is 2329011061.

It is a junction number, because it is equal to n+sod(n) for n = 1601109197 and 1601109206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124144 + ... + 136432.

It is an arithmetic number, because the mean of its divisors is an integer number (82293840).

Almost surely, 2^1601109232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601109232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645876800).

1601109232 is an abundant number, since it is smaller than the sum of its proper divisors (1690644368).

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

1601109232 is a wasteful number, since it uses less digits than its factorization.

1601109232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793 (or 12787 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1601109232 is about 40013.8629977162. The cubic root of 1601109232 is about 1169.8773173528.

The spelling of 1601109232 in words is "one billion, six hundred one million, one hundred nine thousand, two hundred thirty-two".