1602143172 has 144 divisors (see below), whose sum is σ = 5043445120. Its totient is φ = 430769664.

The previous prime is 1602143143. The next prime is 1602143197. The reversal of 1602143172 is 2713412061.

1602143172 is a `hidden beast` number, since 1 + 602 + 1 + 43 + 17 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214818 + ... + 222150.

Almost surely, 2^1602143172 is an apocalyptic number.

1602143172 is a gapful number since it is divisible by the number (12) 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 1602143172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2521722560).

1602143172 is an abundant number, since it is smaller than the sum of its proper divisors (3441301948).

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

1602143172 is a wasteful number, since it uses less digits than its factorization.

1602143172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7387 (or 7362 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1602143172 is about 40026.7806849364. The cubic root of 1602143172 is about 1170.1290850344.

The spelling of 1602143172 in words is "one billion, six hundred two million, one hundred forty-three thousand, one hundred seventy-two".