1602410441778 has 12 divisors (see below), whose sum is σ = 3471889290558. Its totient is φ = 534136813920.

The previous prime is 1602410441759. The next prime is 1602410441839. The reversal of 1602410441778 is 8771440142061.

1602410441778 is a `hidden beast` number, since 1 + 60 + 2 + 4 + 104 + 417 + 78 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1595858672529 + 6551769249 = 1263273^2 + 80943^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44511401143 + ... + 44511401178.

Almost surely, 2^{1602410441778} is an apocalyptic number.

1602410441778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1602410441778 is an abundant number, since it is smaller than the sum of its proper divisors (1869478848780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1602410441778 is a wasteful number, since it uses less digits than its factorization.

1602410441778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89022802329 (or 89022802326 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 1602410441778 in words is "one trillion, six hundred two billion, four hundred ten million, four hundred forty-one thousand, seven hundred seventy-eight".