168953428 has 24 divisors (see below), whose sum is σ = 341070912. Its totient is φ = 71730624.

The previous prime is 168953413. The next prime is 168953437. The reversal of 168953428 is 824359861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25201 + ... + 31192.

It is an arithmetic number, because the mean of its divisors is an integer number (14211288).

Almost surely, 2^168953428 is an apocalyptic number.

It is an amenable number.

168953428 is an abundant number, since it is smaller than the sum of its proper divisors (172117484).

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

168953428 is a wasteful number, since it uses less digits than its factorization.

168953428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56511 (or 56509 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 168953428 is about 12998.2086458096. The cubic root of 168953428 is about 552.8266904889.

The spelling of 168953428 in words is "one hundred sixty-eight million, nine hundred fifty-three thousand, four hundred twenty-eight".