1601697760816 has 10 divisors (see below), whose sum is σ = 3103289411612.
Its totient is φ = 800848880400.
The previous prime is 1601697760813. The next prime is 1601697760823. The reversal of 1601697760816 is 6180677961061.
It is not an unprimeable number, because it can be changed into a prime (1601697760811) by changing a digit.
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 as a sum of consecutive naturals, namely, 50053055010 + ... + 50053055041.
Almost surely, 21601697760816 is an apocalyptic number.
1601697760816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1601697760816 is a deficient number, since it is larger than the sum of its proper divisors (1501591650796).
1601697760816 is a wasteful number, since it uses less digits than its factorization.
1601697760816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100106110059 (or 100106110053 counting only the distinct ones).
The product of its (nonzero) digits is 4572288, while the sum is 58.
The spelling of 1601697760816 in words is "one trillion, six hundred one billion, six hundred ninety-seven million, seven hundred sixty thousand, eight hundred sixteen".