164636030045 has 8 divisors (see below), whose sum is σ = 197579896920. Its totient is φ = 131697716800.

The previous prime is 164636029991. The next prime is 164636030057. The reversal of 164636030045 is 540030636461.

It can be written as a sum of positive squares in 4 ways, for example, as 2873603236 + 161762426809 = 53606^2 + 402197^2 .

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

It is not a de Polignac number, because 164636030045 - 2⁶ = 164636029981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164636029990 and 164636030008.

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, 1322906 + ... + 1441995.

It is an arithmetic number, because the mean of its divisors is an integer number (24697487115).

Almost surely, 2^164636030045 is an apocalyptic number.

It is an amenable number.

164636030045 is a deficient number, since it is larger than the sum of its proper divisors (32943866875).

164636030045 is a wasteful number, since it uses less digits than its factorization.

164636030045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776815.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 164636030045 in words is "one hundred sixty-four billion, six hundred thirty-six million, thirty thousand, forty-five".