2665164615662 has 4 divisors (see below), whose sum is σ = 3997746923496. Its totient is φ = 1332582307830.

The previous prime is 2665164615647. The next prime is 2665164615679.

2665164615662 is nontrivially palindromic in base 10.

2665164615662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2665164615598 and 2665164615607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666291153914 + ... + 666291153917.

It is an arithmetic number, because the mean of its divisors is an integer number (999436730874).

Almost surely, 2^{2665164615662} is an apocalyptic number.

2665164615662 is a deficient number, since it is larger than the sum of its proper divisors (1332582307834).

2665164615662 is a wasteful number, since it uses less digits than its factorization.

2665164615662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332582307833.

The product of its digits is 18662400, while the sum is 56.

The spelling of 2665164615662 in words is "two trillion, six hundred sixty-five billion, one hundred sixty-four million, six hundred fifteen thousand, six hundred sixty-two".