16205607681460 has 24 divisors (see below), whose sum is σ = 34088401407816. Its totient is φ = 6471457305600.

The previous prime is 16205607681437. The next prime is 16205607681467. The reversal of 16205607681460 is 6418670650261.

It can be written as a sum of positive squares in 4 ways, for example, as 1260486725796 + 14945120955664 = 1122714^2 + 3865892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16205607681398 and 16205607681407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205607681467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674098117 + ... + 674122156.

It is an arithmetic number, because the mean of its divisors is an integer number (1420350058659).

Almost surely, 2^{16205607681460} is an apocalyptic number.

16205607681460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16205607681460 is an abundant number, since it is smaller than the sum of its proper divisors (17882793726356).

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

16205607681460 is a wasteful number, since it uses less digits than its factorization.

16205607681460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348220883 (or 1348220881 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 16205607681460 in words is "sixteen trillion, two hundred five billion, six hundred seven million, six hundred eighty-one thousand, four hundred sixty".