1622160 has 80 divisors (see below), whose sum is σ = 5594880. Its totient is φ = 432000.

The previous prime is 1622149. The next prime is 1622189. The reversal of 1622160 is 612261.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1785 + ... + 2535.

It is an arithmetic number, because the mean of its divisors is an integer number (69936).

2^1622160 is an apocalyptic number.

1622160 is a gapful number since it is divisible by the number (10) 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 1622160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2797440).

1622160 is an abundant number, since it is smaller than the sum of its proper divisors (3972720).

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

1622160 is a wasteful number, since it uses less digits than its factorization.

1622160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1622160 is about 1273.6404516189. The cubic root of 1622160 is about 117.4982042882.

The spelling of 1622160 in words is "one million, six hundred twenty-two thousand, one hundred sixty".