1602128860 has 24 divisors (see below), whose sum is σ = 3455403840. Its totient is φ = 623530944.

The previous prime is 1602128837. The next prime is 1602128881. The reversal of 1602128860 is 688212061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081780 + ... + 1083259.

It is an arithmetic number, because the mean of its divisors is an integer number (143975160).

Almost surely, 2^1602128860 is an apocalyptic number.

1602128860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1602128860 is an abundant number, since it is smaller than the sum of its proper divisors (1853274980).

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

1602128860 is a wasteful number, since it uses less digits than its factorization.

1602128860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165085 (or 2165083 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1602128860 is about 40026.6019042336. The cubic root of 1602128860 is about 1170.1256007563.

The spelling of 1602128860 in words is "one billion, six hundred two million, one hundred twenty-eight thousand, eight hundred sixty".