164061399207 has 32 divisors (see below), whose sum is σ = 223579439104. Its totient is φ = 106991539200.

The previous prime is 164061399193. The next prime is 164061399209. The reversal of 164061399207 is 702993160461.

It is not a de Polignac number, because 164061399207 - 2⁶ = 164061399143 is a prime.

It is a super-2 number, since 2×164061399207² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164061399209) 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 31 ways as a sum of consecutive naturals, for example, 10007157 + ... + 10023537.

It is an arithmetic number, because the mean of its divisors is an integer number (6986857472).

Almost surely, 2^164061399207 is an apocalyptic number.

164061399207 is a deficient number, since it is larger than the sum of its proper divisors (59518039897).

164061399207 is a wasteful number, since it uses less digits than its factorization.

164061399207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16879.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 164061399207 in words is "one hundred sixty-four billion, sixty-one million, three hundred ninety-nine thousand, two hundred seven".