164786136347 has 16 divisors (see below), whose sum is σ = 193262184192. Its totient is φ = 137562818400.

The previous prime is 164786136293. The next prime is 164786136377. The reversal of 164786136347 is 743631687461.

It is not a de Polignac number, because 164786136347 - 2²² = 164781942043 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 164786136292 and 164786136301.

It is not an unprimeable number, because it can be changed into a prime (164786136377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684404 + ... + 893297.

It is an arithmetic number, because the mean of its divisors is an integer number (12078886512).

Almost surely, 2^164786136347 is an apocalyptic number.

164786136347 is a deficient number, since it is larger than the sum of its proper divisors (28476047845).

164786136347 is a wasteful number, since it uses less digits than its factorization.

164786136347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578098.

The product of its digits is 12192768, while the sum is 56.

The spelling of 164786136347 in words is "one hundred sixty-four billion, seven hundred eighty-six million, one hundred thirty-six thousand, three hundred forty-seven".