46778426164 has 12 divisors (see below), whose sum is σ = 82094152644. Its totient is φ = 23322953984.

The previous prime is 46778426153. The next prime is 46778426203. The reversal of 46778426164 is 46162487764.

It can be written as a sum of positive squares in 2 ways, for example, as 11299690000 + 35478736164 = 106300^2 + 188358^2 .

It is a congruent 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, 16563187 + ... + 16566010.

It is an arithmetic number, because the mean of its divisors is an integer number (6841179387).

Almost surely, 2^46778426164 is an apocalyptic number.

It is an amenable number.

46778426164 is a deficient number, since it is larger than the sum of its proper divisors (35315726480).

46778426164 is a wasteful number, since it uses less digits than its factorization.

46778426164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33129554 (or 33129552 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 55.

The spelling of 46778426164 in words is "forty-six billion, seven hundred seventy-eight million, four hundred twenty-six thousand, one hundred sixty-four".