164810481 has 8 divisors (see below), whose sum is σ = 239724384. Its totient is φ = 99885120.

The previous prime is 164810473. The next prime is 164810483. The reversal of 164810481 is 184018461.

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

It is not a de Polignac number, because 164810481 - 2³ = 164810473 is a prime.

It is a super-2 number, since 2×164810481² = 54324989294902722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4994257 = 164810481 / (1 + 6 + 4 + 8 + 1 + 0 + 4 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (164810483) 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, 2497096 + ... + 2497161.

It is an arithmetic number, because the mean of its divisors is an integer number (29965548).

Almost surely, 2^164810481 is an apocalyptic number.

164810481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164810481 is a deficient number, since it is larger than the sum of its proper divisors (74913903).

164810481 is a wasteful number, since it uses less digits than its factorization.

164810481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994271.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 164810481 is about 12837.8534420673. The cubic root of 164810481 is about 548.2705798316.

The spelling of 164810481 in words is "one hundred sixty-four million, eight hundred ten thousand, four hundred eighty-one".