1602165053 has 4 divisors (see below), whose sum is σ = 1603248348. Its totient is φ = 1601081760.

The previous prime is 1602165049. The next prime is 1602165113. The reversal of 1602165053 is 3505612061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3505612061 = 7 ⋅500801723.

It can be written as a sum of positive squares in 2 ways, for example, as 1030859449 + 571305604 = 32107^2 + 23902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602165053 - 2² = 1602165049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602165043) 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, 539426 + ... + 542387.

It is an arithmetic number, because the mean of its divisors is an integer number (400812087).

Almost surely, 2^1602165053 is an apocalyptic number.

It is an amenable number.

1602165053 is a deficient number, since it is larger than the sum of its proper divisors (1083295).

1602165053 is a wasteful number, since it uses less digits than its factorization.

1602165053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083294.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1602165053 is about 40027.0540135044. The cubic root of 1602165053 is about 1170.1344119570.

The spelling of 1602165053 in words is "one billion, six hundred two million, one hundred sixty-five thousand, fifty-three".