168424501 has 8 divisors (see below), whose sum is σ = 193561920. Its totient is φ = 143556288.

The previous prime is 168424499. The next prime is 168424583. The reversal of 168424501 is 105424861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168424501 - 2¹ = 168424499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168424591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65956 + ... + 68461.

It is an arithmetic number, because the mean of its divisors is an integer number (24195240).

Almost surely, 2^168424501 is an apocalyptic number.

It is an amenable number.

168424501 is a deficient number, since it is larger than the sum of its proper divisors (25137419).

168424501 is a wasteful number, since it uses less digits than its factorization.

168424501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134603.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 168424501 is about 12977.8465470971. The cubic root of 168424501 is about 552.2491928252.

The spelling of 168424501 in words is "one hundred sixty-eight million, four hundred twenty-four thousand, five hundred one".