2461666166649 has 48 divisors (see below), whose sum is σ = 3695733350400. Its totient is φ = 1637420605200.

The previous prime is 2461666166647. The next prime is 2461666166657. The reversal of 2461666166649 is 9466616661642.

It is not a de Polignac number, because 2461666166649 - 2¹ = 2461666166647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2461666166647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309600624 + ... + 309608574.

It is an arithmetic number, because the mean of its divisors is an integer number (76994444800).

Almost surely, 2^{2461666166649} is an apocalyptic number.

It is an amenable number.

2461666166649 is a deficient number, since it is larger than the sum of its proper divisors (1234067183751).

2461666166649 is an equidigital number, since it uses as much as digits as its factorization.

2461666166649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672 (or 10660 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 63.

The spelling of 2461666166649 in words is "two trillion, four hundred sixty-one billion, six hundred sixty-six million, one hundred sixty-six thousand, six hundred forty-nine".