2660005146653 has 8 divisors (see below), whose sum is σ = 2692081639800. Its totient is φ = 2627977293568.

The previous prime is 2660005146647. The next prime is 2660005146683. The reversal of 2660005146653 is 3566415000662.

It can be written as a sum of positive squares in 4 ways, for example, as 1544484729529 + 1115520417124 = 1242773^2 + 1056182^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2660005146653 - 2¹⁶ = 2660005081117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660005146613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12049976 + ... + 12268737.

It is an arithmetic number, because the mean of its divisors is an integer number (336510204975).

Almost surely, 2^{2660005146653} is an apocalyptic number.

It is an amenable number.

2660005146653 is a deficient number, since it is larger than the sum of its proper divisors (32076493147).

2660005146653 is a wasteful number, since it uses less digits than its factorization.

2660005146653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24320031.

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

The spelling of 2660005146653 in words is "two trillion, six hundred sixty billion, five million, one hundred forty-six thousand, six hundred fifty-three".