164401106607 has 12 divisors (see below), whose sum is σ = 242990783464. Its totient is φ = 107051883120.

The previous prime is 164401106591. The next prime is 164401106609. The reversal of 164401106607 is 706601104461.

It is a happy number.

164401106607 is a `hidden beast` number, since 1 + 6 + 4 + 40 + 1 + 1 + 0 + 6 + 607 = 666.

It is not a de Polignac number, because 164401106607 - 2⁴ = 164401106591 is a prime.

It is a super-3 number, since 3×164401106607³ (a number of 35 digits) contains 333 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 (164401106609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212404144 + ... + 212404917.

Almost surely, 2^164401106607 is an apocalyptic number.

164401106607 is a deficient number, since it is larger than the sum of its proper divisors (78589676857).

164401106607 is a wasteful number, since it uses less digits than its factorization.

164401106607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424809110 (or 424809107 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 164401106607 in words is "one hundred sixty-four billion, four hundred one million, one hundred six thousand, six hundred seven".