164516487455 has 8 divisors (see below), whose sum is σ = 202234901904. Its totient is φ = 128403112000.

The previous prime is 164516487407. The next prime is 164516487469. The reversal of 164516487455 is 554784615461.

It is a happy number.

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

It is not a de Polignac number, because 164516487455 - 2⁸ = 164516487199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164516487455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401259521 + ... + 401259930.

It is an arithmetic number, because the mean of its divisors is an integer number (25279362738).

Almost surely, 2^164516487455 is an apocalyptic number.

164516487455 is a deficient number, since it is larger than the sum of its proper divisors (37718414449).

164516487455 is an equidigital number, since it uses as much as digits as its factorization.

164516487455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802519497.

The product of its digits is 16128000, while the sum is 56.

The spelling of 164516487455 in words is "one hundred sixty-four billion, five hundred sixteen million, four hundred eighty-seven thousand, four hundred fifty-five".