1566162 has 64 divisors (see below), whose sum is σ = 3951360. Its totient is φ = 456192.

The previous prime is 1566143. The next prime is 1566163. The reversal of 1566162 is 2616651.

It is a happy number.

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

Its product of digits (2160) is a multiple of the sum of its prime factors (144).

It is not an unprimeable number, because it can be changed into a prime (1566163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16098 + ... + 16194.

It is an arithmetic number, because the mean of its divisors is an integer number (61740).

2^1566162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1566162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1975680).

1566162 is an abundant number, since it is smaller than the sum of its proper divisors (2385198).

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

1566162 is a wasteful number, since it uses less digits than its factorization.

1566162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 138 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1566162 is about 1251.4639427487. The cubic root of 1566162 is about 116.1303034359.

It can be divided in two parts, 1566 and 162, that added together give a cube (1728 = 12³).

The spelling of 1566162 in words is "one million, five hundred sixty-six thousand, one hundred sixty-two".