165757052 has 6 divisors (see below), whose sum is σ = 290074848. Its totient is φ = 82878524.

The previous prime is 165757049. The next prime is 165757057. The reversal of 165757052 is 250757561.

It is a junction number, because it is equal to n+sod(n) for n = 165756997 and 165757015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165757057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20719628 + ... + 20719635.

It is an arithmetic number, because the mean of its divisors is an integer number (48345808).

Almost surely, 2^165757052 is an apocalyptic number.

It is an amenable number.

165757052 is a deficient number, since it is larger than the sum of its proper divisors (124317796).

165757052 is a wasteful number, since it uses less digits than its factorization.

165757052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41439267 (or 41439265 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 165757052 is about 12874.6670636564. The cubic root of 165757052 is about 549.3182207814.

The spelling of 165757052 in words is "one hundred sixty-five million, seven hundred fifty-seven thousand, fifty-two".