816081601706 has 8 divisors (see below), whose sum is σ = 1398997031520. Its totient is φ = 349749257868.

The previous prime is 816081601697. The next prime is 816081601747. The reversal of 816081601706 is 607106180618.

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

It is a super-2 number, since 2×816081601706² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29145771476 + ... + 29145771503.

It is an arithmetic number, because the mean of its divisors is an integer number (174874628940).

Almost surely, 2^816081601706 is an apocalyptic number.

816081601706 is a deficient number, since it is larger than the sum of its proper divisors (582915429814).

816081601706 is a wasteful number, since it uses less digits than its factorization.

816081601706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58291542988.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 816081601706 in words is "eight hundred sixteen billion, eighty-one million, six hundred one thousand, seven hundred six".