1602256896 has 128 divisors (see below), whose sum is σ = 4749976800. Its totient is φ = 533790720.

The previous prime is 1602256891. The next prime is 1602256897. The reversal of 1602256896 is 6986522061.

1602256896 is a `hidden beast` number, since 1 + 60 + 22 + 568 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (1602256891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883831 + ... + 885641.

Almost surely, 2^1602256896 is an apocalyptic number.

1602256896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1602256896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374988400).

1602256896 is an abundant number, since it is smaller than the sum of its proper divisors (3147719904).

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

1602256896 is an frugal number, since it uses more digits than its factorization.

1602256896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1602256896 is about 40028.2012586127. The cubic root of 1602256896 is about 1170.1567705776.

The spelling of 1602256896 in words is "one billion, six hundred two million, two hundred fifty-six thousand, eight hundred ninety-six".