164103885 has 24 divisors (see below), whose sum is σ = 310306464. Its totient is φ = 79565280.

The previous prime is 164103883. The next prime is 164103887. The reversal of 164103885 is 588301461.

164103885 is a `hidden beast` number, since 1 + 641 + 0 + 3 + 8 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (164103883) and next prime (164103887).

It is not a de Polignac number, because 164103885 - 2¹ = 164103883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164103881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165267 + ... + 166256.

It is an arithmetic number, because the mean of its divisors is an integer number (12929436).

Almost surely, 2^164103885 is an apocalyptic number.

164103885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164103885 is a deficient number, since it is larger than the sum of its proper divisors (146202579).

164103885 is a wasteful number, since it uses less digits than its factorization.

164103885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331545 (or 331542 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 164103885 is about 12810.3038605647. The cubic root of 164103885 is about 547.4859194477.

The spelling of 164103885 in words is "one hundred sixty-four million, one hundred three thousand, eight hundred eighty-five".