164155065 has 8 divisors (see below), whose sum is σ = 262648128. Its totient is φ = 87549360.

The previous prime is 164155039. The next prime is 164155091. The reversal of 164155065 is 560551461.

It is an interprime number because it is at equal distance from previous prime (164155039) and next prime (164155091).

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

It is not a de Polignac number, because 164155065 - 2⁶ = 164155001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5471821 + ... + 5471850.

It is an arithmetic number, because the mean of its divisors is an integer number (32831016).

Almost surely, 2^164155065 is an apocalyptic number.

164155065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164155065 is a deficient number, since it is larger than the sum of its proper divisors (98493063).

164155065 is a wasteful number, since it uses less digits than its factorization.

164155065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943679.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 164155065 is about 12812.3013155327. The cubic root of 164155065 is about 547.5428293677.

Multiplying 164155065 by its sum of digits (33), we get a palindrome (5417117145).

The spelling of 164155065 in words is "one hundred sixty-four million, one hundred fifty-five thousand, sixty-five".