46778690168 has 16 divisors (see below), whose sum is σ = 100240050480. Its totient is φ = 20048010048.

The previous prime is 46778690131. The next prime is 46778690171. The reversal of 46778690168 is 86109687764.

It is a self number, because there is not a number n which added to its sum of digits gives 46778690168.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417666821 + ... + 417666932.

It is an arithmetic number, because the mean of its divisors is an integer number (6265003155).

Almost surely, 2^46778690168 is an apocalyptic number.

It is an amenable number.

46778690168 is an abundant number, since it is smaller than the sum of its proper divisors (53461360312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46778690168 is a wasteful number, since it uses less digits than its factorization.

46778690168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835333766 (or 835333762 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 46778690168 in words is "forty-six billion, seven hundred seventy-eight million, six hundred ninety thousand, one hundred sixty-eight".