16791399319760 has 40 divisors (see below), whose sum is σ = 42043080607080. Its totient is φ = 6199901286912.

The previous prime is 16791399319729. The next prime is 16791399319771. The reversal of 16791399319760 is 6791399319761.

It can be written as a sum of positive squares in 4 ways, for example, as 141800446096 + 16649598873664 = 376564^2 + 4080392^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×16791399319760² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8072787095 + ... + 8072789174.

It is an arithmetic number, because the mean of its divisors is an integer number (1051077015177).

Almost surely, 2^{16791399319760} is an apocalyptic number.

16791399319760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16791399319760 is an abundant number, since it is smaller than the sum of its proper divisors (25251681287320).

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

16791399319760 is a wasteful number, since it uses less digits than its factorization.

16791399319760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16145576295 (or 16145576289 counting only the distinct ones).

The product of its (nonzero) digits is 104162436, while the sum is 71.

Subtracting from 16791399319760 its reverse (6791399319761), we obtain a palindrome (9999999999999).

The spelling of 16791399319760 in words is "sixteen trillion, seven hundred ninety-one billion, three hundred ninety-nine million, three hundred nineteen thousand, seven hundred sixty".