164350623623025 has 48 divisors (see below), whose sum is σ = 310674190829184. Its totient is φ = 75100316628480.

The previous prime is 164350623623023. The next prime is 164350623623063. The reversal of 164350623623025 is 520326326053461.

It is not a de Polignac number, because 164350623623025 - 2¹ = 164350623623023 is a prime.

It is a super-2 number, since 2×164350623623025² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164350623623023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64152954 + ... + 66665603.

It is an arithmetic number, because the mean of its divisors is an integer number (6472378975608).

Almost surely, 2^{164350623623025} is an apocalyptic number.

164350623623025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164350623623025 is a deficient number, since it is larger than the sum of its proper divisors (146323567206159).

164350623623025 is a wasteful number, since it uses less digits than its factorization.

164350623623025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130820970 (or 130820965 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

Adding to 164350623623025 its reverse (520326326053461), we get a palindrome (684676949676486).

The spelling of 164350623623025 in words is "one hundred sixty-four trillion, three hundred fifty billion, six hundred twenty-three million, six hundred twenty-three thousand, twenty-five".