168828472 has 8 divisors (see below), whose sum is σ = 316553400. Its totient is φ = 84414232.

The previous prime is 168828463. The next prime is 168828481. The reversal of 168828472 is 274828861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168828463) and next prime (168828481).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551772 + ... + 10551787.

It is an arithmetic number, because the mean of its divisors is an integer number (39569175).

Almost surely, 2^168828472 is an apocalyptic number.

It is an amenable number.

168828472 is a deficient number, since it is larger than the sum of its proper divisors (147724928).

168828472 is a wasteful number, since it uses less digits than its factorization.

168828472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21103565 (or 21103561 counting only the distinct ones).

The product of its digits is 344064, while the sum is 46.

The square root of 168828472 is about 12993.4010944017. The cubic root of 168828472 is about 552.6903688020.

The spelling of 168828472 in words is "one hundred sixty-eight million, eight hundred twenty-eight thousand, four hundred seventy-two".