164406553321562 has 8 divisors (see below), whose sum is σ = 246713057210100. Its totient is φ = 82168867584864.

The previous prime is 164406553321561. The next prime is 164406553321579. The reversal of 164406553321562 is 265123355604461.

It can be written as a sum of positive squares in 2 ways, for example, as 157393108100881 + 7013445220681 = 12545641^2 + 2648291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×164406553321562³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164406553321561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17204531987 + ... + 17204541542.

Almost surely, 2^{164406553321562} is an apocalyptic number.

164406553321562 is a deficient number, since it is larger than the sum of its proper divisors (82306503888538).

164406553321562 is a wasteful number, since it uses less digits than its factorization.

164406553321562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34409075920.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 164406553321562 in words is "one hundred sixty-four trillion, four hundred six billion, five hundred fifty-three million, three hundred twenty-one thousand, five hundred sixty-two".