164971536249 has 8 divisors (see below), whose sum is σ = 236882205952. Its totient is φ = 101520945360.

The previous prime is 164971536217. The next prime is 164971536251. The reversal of 164971536249 is 942635179461.

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

It is not a de Polignac number, because 164971536249 - 2⁵ = 164971536217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164971536209) 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, 2115019657 + ... + 2115019734.

It is an arithmetic number, because the mean of its divisors is an integer number (29610275744).

Almost surely, 2^164971536249 is an apocalyptic number.

It is an amenable number.

164971536249 is a deficient number, since it is larger than the sum of its proper divisors (71910669703).

164971536249 is a wasteful number, since it uses less digits than its factorization.

164971536249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230039407.

The product of its digits is 9797760, while the sum is 57.

The spelling of 164971536249 in words is "one hundred sixty-four billion, nine hundred seventy-one million, five hundred thirty-six thousand, two hundred forty-nine".