661062 has 16 divisors (see below), whose sum is σ = 1400112. Its totient is φ = 207360.

The previous prime is 661061. The next prime is 661091. The reversal of 661062 is 260166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (661061) 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, 3139 + ... + 3342.

It is an arithmetic number, because the mean of its divisors is an integer number (87507).

2⁶⁶¹⁰⁶² is an apocalyptic number.

661062 is an abundant number, since it is smaller than the sum of its proper divisors (739050).

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

661062 is a wasteful number, since it uses less digits than its factorization.

661062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 661062 is about 813.0571935602. The cubic root of 661062 is about 87.1125508568.

It can be divided in two parts, 66 and 1062, that added together give a triangular number (1128 = T₄₇).

The spelling of 661062 in words is "six hundred sixty-one thousand, sixty-two".