164289463 has 8 divisors (see below), whose sum is σ = 177976400. Its totient is φ = 151649784.

The previous prime is 164289451. The next prime is 164289469. The reversal of 164289463 is 364982461.

It is a happy number.

It is not a de Polignac number, because 164289463 - 2⁵ = 164289431 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 (164289469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35193 + ... + 39586.

It is an arithmetic number, because the mean of its divisors is an integer number (22247050).

Almost surely, 2^164289463 is an apocalyptic number.

164289463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164289463 is a deficient number, since it is larger than the sum of its proper divisors (13686937).

164289463 is an frugal number, since it uses more digits than its factorization.

164289463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74818 (or 74792 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 164289463 is about 12817.5451237747. The cubic root of 164289463 is about 547.6922177673.

The spelling of 164289463 in words is "one hundred sixty-four million, two hundred eighty-nine thousand, four hundred sixty-three".