378106084666 has 16 divisors (see below), whose sum is σ = 589663811520. Its totient is φ = 181689124320.

The previous prime is 378106084661. The next prime is 378106084669. The reversal of 378106084666 is 666480601873.

It is a super-2 number, since 2×378106084666² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378106084661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34405326 + ... + 34416313.

It is an arithmetic number, because the mean of its divisors is an integer number (36853988220).

Almost surely, 2^378106084666 is an apocalyptic number.

378106084666 is a deficient number, since it is larger than the sum of its proper divisors (211557726854).

378106084666 is a wasteful number, since it uses less digits than its factorization.

378106084666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68821749.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 378106084666 in words is "three hundred seventy-eight billion, one hundred six million, eighty-four thousand, six hundred sixty-six".