168614427 has 16 divisors (see below), whose sum is σ = 235210752. Its totient is φ = 107330880.

The previous prime is 168614401. The next prime is 168614437. The reversal of 168614427 is 724416861.

It is not a de Polignac number, because 168614427 - 2¹⁵ = 168581659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168614437) 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 15 ways as a sum of consecutive naturals, for example, 8803 + ... + 20364.

It is an arithmetic number, because the mean of its divisors is an integer number (14700672).

Almost surely, 2^168614427 is an apocalyptic number.

168614427 is a deficient number, since it is larger than the sum of its proper divisors (66596325).

168614427 is a wasteful number, since it uses less digits than its factorization.

168614427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29258.

The product of its digits is 64512, while the sum is 39.

The square root of 168614427 is about 12985.1618010713. The cubic root of 168614427 is about 552.4566984211.

The spelling of 168614427 in words is "one hundred sixty-eight million, six hundred fourteen thousand, four hundred twenty-seven".