1601536546320 has 160 divisors (see below), whose sum is σ = 5029346851200. Its totient is φ = 421530611712.

The previous prime is 1601536546217. The next prime is 1601536546339. The reversal of 1601536546320 is 236456351061.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21256876 + ... + 21332084.

It is an arithmetic number, because the mean of its divisors is an integer number (31433417820).

Almost surely, 2^{1601536546320} is an apocalyptic number.

1601536546320 is a gapful number since it is divisible by the number (10) 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 1601536546320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2514673425600).

1601536546320 is an abundant number, since it is smaller than the sum of its proper divisors (3427810304880).

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

1601536546320 is a wasteful number, since it uses less digits than its factorization.

1601536546320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76377 (or 76371 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1601536546320 in words is "one trillion, six hundred one billion, five hundred thirty-six million, five hundred forty-six thousand, three hundred twenty".