164025165400 has 24 divisors (see below), whose sum is σ = 381358510020. Its totient is φ = 65610066080.

The previous prime is 164025165361. The next prime is 164025165401. The reversal of 164025165400 is 4561520461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164025165401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410062714 + ... + 410063113.

Almost surely, 2^164025165400 is an apocalyptic number.

164025165400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164025165400 is an abundant number, since it is smaller than the sum of its proper divisors (217333344620).

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

164025165400 is a wasteful number, since it uses less digits than its factorization.

164025165400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820125843 (or 820125834 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 164025165400 its reverse (4561520461), we get a palindrome (168586685861).

The spelling of 164025165400 in words is "one hundred sixty-four billion, twenty-five million, one hundred sixty-five thousand, four hundred".