16708071081 has 16 divisors (see below), whose sum is σ = 24104790080. Its totient is φ = 10233155520.

The previous prime is 16708071077. The next prime is 16708071091. The reversal of 16708071081 is 18017080761.

It is not a de Polignac number, because 16708071081 - 2² = 16708071077 is a prime.

It is a super-2 number, since 2×16708071081² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16708071001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006966 + ... + 1023423.

It is an arithmetic number, because the mean of its divisors is an integer number (1506549380).

Almost surely, 2^16708071081 is an apocalyptic number.

It is an amenable number.

16708071081 is a deficient number, since it is larger than the sum of its proper divisors (7396718999).

16708071081 is a wasteful number, since it uses less digits than its factorization.

16708071081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030616.

The product of its (nonzero) digits is 18816, while the sum is 39.

The spelling of 16708071081 in words is "sixteen billion, seven hundred eight million, seventy-one thousand, eighty-one".