165669996 has 48 divisors (see below), whose sum is σ = 393680000. Its totient is φ = 54214272.

The previous prime is 165669991. The next prime is 165670003. The reversal of 165669996 is 699966561.

It is not an unprimeable number, because it can be changed into a prime (165669991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331755 + ... + 332253.

Almost surely, 2^165669996 is an apocalyptic number.

It is an amenable number.

165669996 is an abundant number, since it is smaller than the sum of its proper divisors (228010004).

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

165669996 is a wasteful number, since it uses less digits than its factorization.

165669996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 956 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 57.

The square root of 165669996 is about 12871.2857166641. The cubic root of 165669996 is about 549.2220361930. Note that the first 3 decimals are identical.

It can be divided in two parts, 16566 and 9996, that added together give a palindrome (26562).

The spelling of 165669996 in words is "one hundred sixty-five million, six hundred sixty-nine thousand, nine hundred ninety-six".