378168931066 has 16 divisors (see below), whose sum is σ = 568795871808. Its totient is φ = 188570520000.

The previous prime is 378168931037. The next prime is 378168931079. The reversal of 378168931066 is 660139861873.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 378168931066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3679411 + ... + 3780793.

It is an arithmetic number, because the mean of its divisors is an integer number (35549741988).

Almost surely, 2^378168931066 is an apocalyptic number.

378168931066 is a deficient number, since it is larger than the sum of its proper divisors (190626940742).

378168931066 is a wasteful number, since it uses less digits than its factorization.

378168931066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106437.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 378168931066 in words is "three hundred seventy-eight billion, one hundred sixty-eight million, nine hundred thirty-one thousand, sixty-six".