662136 has 32 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 215648.

The previous prime is 662111. The next prime is 662141. The reversal of 662136 is 631266.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662136.

It is an unprimeable number.

662136 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835 + ... + 1421.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2⁶⁶²¹³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846720).

662136 is an abundant number, since it is smaller than the sum of its proper divisors (1031304).

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

662136 is a wasteful number, since it uses less digits than its factorization.

662136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 662136 is about 813.7173956602. The cubic root of 662136 is about 87.1597013804.

It can be divided in two parts, 6 and 62136, that multiplied together give a triangular number (372816 = T₈₆₃).

The spelling of 662136 in words is "six hundred sixty-two thousand, one hundred thirty-six".