164418397995 has 8 divisors (see below), whose sum is σ = 263069436816. Its totient is φ = 87689812256.

The previous prime is 164418397993. The next prime is 164418398009. The reversal of 164418397995 is 599793814461.

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

It is a cyclic number.

It is not a de Polignac number, because 164418397995 - 2¹ = 164418397993 is a prime.

It is a super-3 number, since 3×164418397995³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164418397991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5480613252 + ... + 5480613281.

It is an arithmetic number, because the mean of its divisors is an integer number (32883679602).

Almost surely, 2^164418397995 is an apocalyptic number.

164418397995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164418397995 is a deficient number, since it is larger than the sum of its proper divisors (98651038821).

164418397995 is a wasteful number, since it uses less digits than its factorization.

164418397995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961226541.

The product of its digits is 58786560, while the sum is 66.

The spelling of 164418397995 in words is "one hundred sixty-four billion, four hundred eighteen million, three hundred ninety-seven thousand, nine hundred ninety-five".