164683386461 has 4 divisors (see below), whose sum is σ = 179654603424. Its totient is φ = 149712169500.

The previous prime is 164683386457. The next prime is 164683386499.

164683386461 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164683386461 - 2² = 164683386457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164683386397 and 164683386406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164683386421) 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, 7485608465 + ... + 7485608486.

It is an arithmetic number, because the mean of its divisors is an integer number (44913650856).

Almost surely, 2^164683386461 is an apocalyptic number.

164683386461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164683386461 is a deficient number, since it is larger than the sum of its proper divisors (14971216963).

164683386461 is a wasteful number, since it uses less digits than its factorization.

164683386461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14971216962.

The product of its digits is 11943936, while the sum is 56.

The spelling of 164683386461 in words is "one hundred sixty-four billion, six hundred eighty-three million, three hundred eighty-six thousand, four hundred sixty-one".