116671570671681 has 24 divisors (see below), whose sum is σ = 172610092328960. Its totient is φ = 75917198893536.

The previous prime is 116671570671647. The next prime is 116671570671739. The reversal of 116671570671681 is 186176075176611.

It is not a de Polignac number, because 116671570671681 - 2¹³ = 116671570663489 is a prime.

It is a super-2 number, since 2×116671570671681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116671570671581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 887481025 + ... + 887612478.

Almost surely, 2^{116671570671681} is an apocalyptic number.

It is an amenable number.

116671570671681 is a deficient number, since it is larger than the sum of its proper divisors (55938521657279).

116671570671681 is a wasteful number, since it uses less digits than its factorization.

116671570671681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775093685 (or 1775093682 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 63.

The spelling of 116671570671681 in words is "one hundred sixteen trillion, six hundred seventy-one billion, five hundred seventy million, six hundred seventy-one thousand, six hundred eighty-one".