164406632023026 has 24 divisors (see below), whose sum is σ = 356216649573564. Its totient is φ = 54801859875840.

The previous prime is 164406632023013. The next prime is 164406632023063. The reversal of 164406632023026 is 620320236604461.

164406632023026 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 0 + 6 + 632 + 0 + 2 + 3 + 0 + 2 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 147671128304001 + 16735503719025 = 12152001^2 + 4090905^2 .

It is a super-3 number, since 3×164406632023026³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26335351 + ... + 31974426.

Almost surely, 2^{164406632023026} is an apocalyptic number.

164406632023026 is an abundant number, since it is smaller than the sum of its proper divisors (191810017550538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164406632023026 is a wasteful number, since it uses less digits than its factorization.

164406632023026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58466426 (or 58466423 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

Adding to 164406632023026 its reverse (620320236604461), we get a palindrome (784726868627487).

The spelling of 164406632023026 in words is "one hundred sixty-four trillion, four hundred six billion, six hundred thirty-two million, twenty-three thousand, twenty-six".