1606002402761 has 4 divisors (see below), whose sum is σ = 1606653399312. Its totient is φ = 1605351406212.

The previous prime is 1606002402757. The next prime is 1606002402779. The reversal of 1606002402761 is 1672042006061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1606002402761 - 2² = 1606002402757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1606002402791) 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, 325494575 + ... + 325499508.

It is an arithmetic number, because the mean of its divisors is an integer number (401663349828).

Almost surely, 2^{1606002402761} is an apocalyptic number.

It is an amenable number.

1606002402761 is a deficient number, since it is larger than the sum of its proper divisors (650996551).

1606002402761 is an equidigital number, since it uses as much as digits as its factorization.

1606002402761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650996550.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 1606002402761 in words is "one trillion, six hundred six billion, two million, four hundred two thousand, seven hundred sixty-one".