16670715081 has 8 divisors (see below), whose sum is σ = 22559375904. Its totient is φ = 10947932160.

The previous prime is 16670715041. The next prime is 16670715097. The reversal of 16670715081 is 18051707661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16670715081 - 2⁷ = 16670714953 is a prime.

It is a super-2 number, since 2×16670715081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16670715001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41469240 + ... + 41469641.

It is an arithmetic number, because the mean of its divisors is an integer number (2819921988).

Almost surely, 2^16670715081 is an apocalyptic number.

It is an amenable number.

16670715081 is a deficient number, since it is larger than the sum of its proper divisors (5888660823).

16670715081 is an equidigital number, since it uses as much as digits as its factorization.

16670715081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82938951.

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 16670715081 in words is "sixteen billion, six hundred seventy million, seven hundred fifteen thousand, eighty-one".