16664162902642 has 32 divisors (see below), whose sum is σ = 27617744707200. Its totient is φ = 7500892700928.

The previous prime is 16664162902627. The next prime is 16664162902643. The reversal of 16664162902642 is 24620926146661.

It is not an unprimeable number, because it can be changed into a prime (16664162902643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75571084 + ... + 75791272.

It is an arithmetic number, because the mean of its divisors is an integer number (863054522100).

Almost surely, 2^{16664162902642} is an apocalyptic number.

16664162902642 is a deficient number, since it is larger than the sum of its proper divisors (10953581804558).

16664162902642 is a wasteful number, since it uses less digits than its factorization.

16664162902642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317010.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 16664162902642 in words is "sixteen trillion, six hundred sixty-four billion, one hundred sixty-two million, nine hundred two thousand, six hundred forty-two".