1602160729 has 9 divisors (see below), whose sum is σ = 1735447743. Its totient is φ = 1478437272.

The previous prime is 1602160697. The next prime is 1602160751. The reversal of 1602160729 is 9270612061.

The square root of 1602160729 is 40027.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 237006025 + 1365154704 = 15395^2 + 36948^2 .

It is not a de Polignac number, because 1602160729 - 2⁵ = 1602160697 is a prime.

It is a super-2 number, since 2×1602160729² = 5133838003099622882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1602160694 and 1602160703.

It is not an unprimeable number, because it can be changed into a prime (1602160789) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 518812 + ... + 521890.

It is an arithmetic number, because the mean of its divisors is an integer number (192827527).

Almost surely, 2^1602160729 is an apocalyptic number.

1602160729 is the 40027-th square number.

1602160729 is the 20014-th centered octagonal number.

It is an amenable number.

1602160729 is a deficient number, since it is larger than the sum of its proper divisors (133287014).

1602160729 is an frugal number, since it uses more digits than its factorization.

1602160729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The cubic root of 1602160729 is about 1170.1333592844.

The spelling of 1602160729 in words is "one billion, six hundred two million, one hundred sixty thousand, seven hundred twenty-nine".