165961662 has 16 divisors (see below), whose sum is σ = 342630912. Its totient is φ = 53535960.

The previous prime is 165961657. The next prime is 165961669. The reversal of 165961662 is 266169561.

165961662 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165961669) 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, 445948 + ... + 446319.

It is an arithmetic number, because the mean of its divisors is an integer number (21414432).

Almost surely, 2^165961662 is an apocalyptic number.

165961662 is an abundant number, since it is smaller than the sum of its proper divisors (176669250).

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

165961662 is a wasteful number, since it uses less digits than its factorization.

165961662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892303.

The product of its digits is 116640, while the sum is 42.

The square root of 165961662 is about 12882.6108378698. The cubic root of 165961662 is about 549.5441534228.

The spelling of 165961662 in words is "one hundred sixty-five million, nine hundred sixty-one thousand, six hundred sixty-two".