68046471670 has 16 divisors (see below), whose sum is σ = 122490856800. Its totient is φ = 27216986944.

The previous prime is 68046471641. The next prime is 68046471671. The reversal of 68046471670 is 7617464086.

It is a super-2 number, since 2×68046471670² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68046471671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13495 + ... + 369154.

It is an arithmetic number, because the mean of its divisors is an integer number (7655678550).

Almost surely, 2^68046471670 is an apocalyptic number.

68046471670 is a deficient number, since it is larger than the sum of its proper divisors (54444385130).

68046471670 is a wasteful number, since it uses less digits than its factorization.

68046471670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400439.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 68046471670 in words is "sixty-eight billion, forty-six million, four hundred seventy-one thousand, six hundred seventy".