2665005146603 has 4 divisors (see below), whose sum is σ = 2665824899208. Its totient is φ = 2664185394000.

The previous prime is 2665005146537. The next prime is 2665005146653. The reversal of 2665005146603 is 3066415005662.

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

It is a cyclic number.

It is not a de Polignac number, because 2665005146603 - 2¹⁴ = 2665005130219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2665005146653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409871426 + ... + 409877927.

It is an arithmetic number, because the mean of its divisors is an integer number (666456224802).

Almost surely, 2^{2665005146603} is an apocalyptic number.

2665005146603 is a deficient number, since it is larger than the sum of its proper divisors (819752605).

2665005146603 is an equidigital number, since it uses as much as digits as its factorization.

2665005146603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819752604.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 2665005146603 in words is "two trillion, six hundred sixty-five billion, five million, one hundred forty-six thousand, six hundred three".