1602662404 has 18 divisors (see below), whose sum is σ = 3262563150. Its totient is φ = 686855232.

The previous prime is 1602662381. The next prime is 1602662419. The reversal of 1602662404 is 4042662061.

It can be written as a sum of positive squares in only one way, i.e., 1599840004 + 2822400 = 39998^2 + 1680^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4088229 + ... + 4088620.

Almost surely, 2^1602662404 is an apocalyptic number.

1602662404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1602662404 is an abundant number, since it is smaller than the sum of its proper divisors (1659900746).

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

1602662404 is a wasteful number, since it uses less digits than its factorization.

1602662404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176867 (or 8176858 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1602662404 is about 40033.2662169851. The cubic root of 1602662404 is about 1170.2554788243.

The spelling of 1602662404 in words is "one billion, six hundred two million, six hundred sixty-two thousand, four hundred four".