1601539078344 has 32 divisors (see below), whose sum is σ = 4003909969920. Its totient is φ = 533838056256.

The previous prime is 1601539078313. The next prime is 1601539078351. The reversal of 1601539078344 is 4438709351061.

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, 1168194 + ... + 2137230.

It is an arithmetic number, because the mean of its divisors is an integer number (125122186560).

Almost surely, 2^{1601539078344} is an apocalyptic number.

It is an amenable number.

1601539078344 is an abundant number, since it is smaller than the sum of its proper divisors (2402370891576).

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

1601539078344 is a wasteful number, since it uses less digits than its factorization.

1601539078344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037909 (or 1037905 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 1601539078344 in words is "one trillion, six hundred one billion, five hundred thirty-nine million, seventy-eight thousand, three hundred forty-four".