164022172630 has 16 divisors (see below), whose sum is σ = 308076429024. Its totient is φ = 62756309440.

The previous prime is 164022172627. The next prime is 164022172631. The reversal of 164022172630 is 36271220461.

It is a super-2 number, since 2×164022172630² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164022172631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356569711 + ... + 356570170.

It is an arithmetic number, because the mean of its divisors is an integer number (19254776814).

Almost surely, 2^164022172630 is an apocalyptic number.

164022172630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164022172630 is a deficient number, since it is larger than the sum of its proper divisors (144054256394).

164022172630 is a wasteful number, since it uses less digits than its factorization.

164022172630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713139911.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 164022172630 in words is "one hundred sixty-four billion, twenty-two million, one hundred seventy-two thousand, six hundred thirty".