164109837887 has 8 divisors (see below), whose sum is σ = 165623969280. Its totient is φ = 162595861920.

The previous prime is 164109837839. The next prime is 164109837919. The reversal of 164109837887 is 788738901461.

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

It is a cyclic number.

It is not a de Polignac number, because 164109837887 - 2¹² = 164109833791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164109837817) 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, 4207937 + ... + 4246757.

It is an arithmetic number, because the mean of its divisors is an integer number (20702996160).

Almost surely, 2^164109837887 is an apocalyptic number.

164109837887 is a deficient number, since it is larger than the sum of its proper divisors (1514131393).

164109837887 is a wasteful number, since it uses less digits than its factorization.

164109837887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77713.

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 164109837887 in words is "one hundred sixty-four billion, one hundred nine million, eight hundred thirty-seven thousand, eight hundred eighty-seven".