1878166530466 has 8 divisors (see below), whose sum is σ = 2817590768064. Its totient is φ = 938969607780.

The previous prime is 1878166530439. The next prime is 1878166530479. The reversal of 1878166530466 is 6640356618781.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 56808070 + ... + 56841121.

It is an arithmetic number, because the mean of its divisors is an integer number (352198846008).

Almost surely, 2^{1878166530466} is an apocalyptic number.

1878166530466 is a deficient number, since it is larger than the sum of its proper divisors (939424237598).

1878166530466 is a wasteful number, since it uses less digits than its factorization.

1878166530466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113657456.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 1878166530466 in words is "one trillion, eight hundred seventy-eight billion, one hundred sixty-six million, five hundred thirty thousand, four hundred sixty-six".