16706605437 has 12 divisors (see below), whose sum is σ = 25401856480. Its totient is φ = 10551540168.

The previous prime is 16706605423. The next prime is 16706605441. The reversal of 16706605437 is 73450660761.

16706605437 is a `hidden beast` number, since 1 + 6 + 7 + 0 + 6 + 605 + 4 + 37 = 666.

It is not a de Polignac number, because 16706605437 - 2⁷ = 16706605309 is a prime.

It is a super-2 number, since 2×16706605437² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16706605392 and 16706605401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16706605417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48849553 + ... + 48849894.

Almost surely, 2^16706605437 is an apocalyptic number.

It is an amenable number.

16706605437 is a deficient number, since it is larger than the sum of its proper divisors (8695251043).

16706605437 is a wasteful number, since it uses less digits than its factorization.

16706605437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97699472 (or 97699469 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 16706605437 in words is "sixteen billion, seven hundred six million, six hundred five thousand, four hundred thirty-seven".