16198343733640 has 32 divisors (see below), whose sum is σ = 36550704015000. Its totient is φ = 6460772050944.

The previous prime is 16198343733613. The next prime is 16198343733643. The reversal of 16198343733640 is 4633734389161.

It can be written as a sum of positive squares in 4 ways, for example, as 15047525424996 + 1150818308644 = 3879114^2 + 1072762^2 .

It is not an unprimeable number, because it can be changed into a prime (16198343733643) 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, 580155945 + ... + 580183864.

Almost surely, 2^{16198343733640} is an apocalyptic number.

16198343733640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16198343733640 is an abundant number, since it is smaller than the sum of its proper divisors (20352360281360).

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

16198343733640 is a wasteful number, since it uses less digits than its factorization.

16198343733640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160340169 (or 1160340165 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 58.

The spelling of 16198343733640 in words is "sixteen trillion, one hundred ninety-eight billion, three hundred forty-three million, seven hundred thirty-three thousand, six hundred forty".