2164619340662 has 16 divisors (see below), whose sum is σ = 3278944660992. Its totient is φ = 1071640941480.

The previous prime is 2164619340649. The next prime is 2164619340683. The reversal of 2164619340662 is 2660439164612.

It is a self number, because there is not a number n which added to its sum of digits gives 2164619340662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593123 + ... + 2163569.

It is an arithmetic number, because the mean of its divisors is an integer number (204934041312).

Almost surely, 2^{2164619340662} is an apocalyptic number.

2164619340662 is a deficient number, since it is larger than the sum of its proper divisors (1114325320330).

2164619340662 is a wasteful number, since it uses less digits than its factorization.

2164619340662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577243.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 2164619340662 in words is "two trillion, one hundred sixty-four billion, six hundred nineteen million, three hundred forty thousand, six hundred sixty-two".