94681662681 has 32 divisors (see below), whose sum is σ = 128158793728. Its totient is φ = 62171686080.

The previous prime is 94681662653. The next prime is 94681662697. The reversal of 94681662681 is 18626618649.

It is not a de Polignac number, because 94681662681 - 2⁹ = 94681662169 is a prime.

It is a super-2 number, since 2×94681662681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94681662631) 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 31 ways as a sum of consecutive naturals, for example, 35768100 + ... + 35770746.

It is an arithmetic number, because the mean of its divisors is an integer number (4004962304).

Almost surely, 2^94681662681 is an apocalyptic number.

It is an amenable number.

94681662681 is a deficient number, since it is larger than the sum of its proper divisors (33477131047).

94681662681 is a wasteful number, since it uses less digits than its factorization.

94681662681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

The product of its digits is 5971968, while the sum is 57.

The spelling of 94681662681 in words is "ninety-four billion, six hundred eighty-one million, six hundred sixty-two thousand, six hundred eighty-one".