164600565400011 has 16 divisors (see below), whose sum is σ = 236637409911840. Its totient is φ = 101169278442240.

The previous prime is 164600565399971. The next prime is 164600565400013. The reversal of 164600565400011 is 110004565006461.

It is a happy number.

It is not a de Polignac number, because 164600565400011 - 2¹⁴ = 164600565383627 is a prime.

It is a super-2 number, since 2×164600565400011² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (164600565400013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570325666 + ... + 2570389703.

It is an arithmetic number, because the mean of its divisors is an integer number (14789838119490).

Almost surely, 2^{164600565400011} is an apocalyptic number.

164600565400011 is a deficient number, since it is larger than the sum of its proper divisors (72036844511829).

164600565400011 is a wasteful number, since it uses less digits than its factorization.

164600565400011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140716206.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 164600565400011 in words is "one hundred sixty-four trillion, six hundred billion, five hundred sixty-five million, four hundred thousand, eleven".