1802418606061 has 4 divisors (see below), whose sum is σ = 1831966452124. Its totient is φ = 1772870760000.

The previous prime is 1802418605989. The next prime is 1802418606071. The reversal of 1802418606061 is 1606068142081.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1004817788836 + 797600817225 = 1002406^2 + 893085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1802418606061 - 2³¹ = 1800271122413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1802418605999 and 1802418606017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802418606071) 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, 14773922940 + ... + 14773923061.

It is an arithmetic number, because the mean of its divisors is an integer number (457991613031).

Almost surely, 2^{1802418606061} is an apocalyptic number.

It is an amenable number.

1802418606061 is a deficient number, since it is larger than the sum of its proper divisors (29547846063).

1802418606061 is an equidigital number, since it uses as much as digits as its factorization.

1802418606061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29547846062.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 1802418606061 in words is "one trillion, eight hundred two billion, four hundred eighteen million, six hundred six thousand, sixty-one".