164427652887 has 8 divisors (see below), whose sum is σ = 220633284336. Its totient is φ = 108920228352.

The previous prime is 164427652877. The next prime is 164427652933. The reversal of 164427652887 is 788256724461.

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

It is not a de Polignac number, because 164427652887 - 2¹⁰ = 164427651863 is a prime.

It is a super-3 number, since 3×164427652887³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164427652887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164427652877) 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, 174551178 + ... + 174552119.

It is an arithmetic number, because the mean of its divisors is an integer number (27579160542).

Almost surely, 2^164427652887 is an apocalyptic number.

164427652887 is a deficient number, since it is larger than the sum of its proper divisors (56205631449).

164427652887 is a wasteful number, since it uses less digits than its factorization.

164427652887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349103457.

The product of its digits is 36126720, while the sum is 60.

The spelling of 164427652887 in words is "one hundred sixty-four billion, four hundred twenty-seven million, six hundred fifty-two thousand, eight hundred eighty-seven".