16706737051640 has 32 divisors (see below), whose sum is σ = 37590405810480. Its totient is φ = 6682650830592.

The previous prime is 16706737051603. The next prime is 16706737051657. The reversal of 16706737051640 is 4615073760761.

It is a congruent number.

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, 5161484 + ... + 7749476.

Almost surely, 2^{16706737051640} is an apocalyptic number.

16706737051640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16706737051640 is an abundant number, since it is smaller than the sum of its proper divisors (20883668758840).

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

16706737051640 is a wasteful number, since it uses less digits than its factorization.

16706737051640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749391 (or 2749387 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 16706737051640 in words is "sixteen trillion, seven hundred six billion, seven hundred thirty-seven million, fifty-one thousand, six hundred forty".