163545756 has 48 divisors (see below), whose sum is σ = 417432960. Its totient is φ = 49424320.

The previous prime is 163545751. The next prime is 163545779. The reversal of 163545756 is 657545361.

It is a super-2 number, since 2×163545756² = 53494428611223072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163545751) 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, 53830 + ... + 56786.

It is an arithmetic number, because the mean of its divisors is an integer number (8696520).

Almost surely, 2^163545756 is an apocalyptic number.

It is an amenable number.

163545756 is an abundant number, since it is smaller than the sum of its proper divisors (253887204).

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

163545756 is a wasteful number, since it uses less digits than its factorization.

163545756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394 (or 3392 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 163545756 is about 12788.5009285686. The cubic root of 163545756 is about 546.8645349225.

The spelling of 163545756 in words is "one hundred sixty-three million, five hundred forty-five thousand, seven hundred fifty-six".