76218042166 has 16 divisors (see below), whose sum is σ = 130688535456. Its totient is φ = 32657616576.

The previous prime is 76218042127. The next prime is 76218042191. The reversal of 76218042166 is 66124081267.

It is a congruent number.

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, 539391 + ... + 665866.

It is an arithmetic number, because the mean of its divisors is an integer number (8168033466).

Almost surely, 2^76218042166 is an apocalyptic number.

76218042166 is a deficient number, since it is larger than the sum of its proper divisors (54470493290).

76218042166 is a wasteful number, since it uses less digits than its factorization.

76218042166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209783.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 76218042166 in words is "seventy-six billion, two hundred eighteen million, forty-two thousand, one hundred sixty-six".