164051780038 has 8 divisors (see below), whose sum is σ = 246355099632. Its totient is φ = 81933413496.

The previous prime is 164051779921. The next prime is 164051780099. The reversal of 164051780038 is 830087150461.

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

It is a junction number, because it is equal to n+sod(n) for n = 164051779976 and 164051780003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46236045 + ... + 46239592.

It is an arithmetic number, because the mean of its divisors is an integer number (30794387454).

Almost surely, 2^164051780038 is an apocalyptic number.

164051780038 is a deficient number, since it is larger than the sum of its proper divisors (82303319594).

164051780038 is an equidigital number, since it uses as much as digits as its factorization.

164051780038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92476526.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 164051780038 in words is "one hundred sixty-four billion, fifty-one million, seven hundred eighty thousand, thirty-eight".