164085099851 has 8 divisors (see below), whose sum is σ = 164491562304. Its totient is φ = 163678717440.

The previous prime is 164085099821. The next prime is 164085099889. The reversal of 164085099851 is 158990580461.

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 164085099851 - 2²⁶ = 164017990987 is a prime.

It is a super-2 number, since 2×164085099851² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164085099821) 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, 7688171 + ... + 7709483.

It is an arithmetic number, because the mean of its divisors is an integer number (20561445288).

Almost surely, 2^164085099851 is an apocalyptic number.

164085099851 is a deficient number, since it is larger than the sum of its proper divisors (406462453).

164085099851 is a wasteful number, since it uses less digits than its factorization.

164085099851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40021.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 164085099851 in words is "one hundred sixty-four billion, eighty-five million, ninety-nine thousand, eight hundred fifty-one".