1601159952 has 80 divisors (see below), whose sum is σ = 4737946752. Its totient is φ = 456437760.

The previous prime is 1601159939. The next prime is 1601160007. The reversal of 1601159952 is 2599511061.

It is a self number, because there is not a number n which added to its sum of digits gives 1601159952.

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, 149728 + ... + 160064.

Almost surely, 2^1601159952 is an apocalyptic number.

1601159952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601159952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2368973376).

1601159952 is an abundant number, since it is smaller than the sum of its proper divisors (3136786800).

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

1601159952 is a wasteful number, since it uses less digits than its factorization.

1601159952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816 (or 10810 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 39.

The square root of 1601159952 is about 40014.4967730446. The cubic root of 1601159952 is about 1169.8896703619.

The spelling of 1601159952 in words is "one billion, six hundred one million, one hundred fifty-nine thousand, nine hundred fifty-two".