164496907838 has 8 divisors (see below), whose sum is σ = 253414155432. Its totient is φ = 80025522696.

The previous prime is 164496907837. The next prime is 164496907891. The reversal of 164496907838 is 838709694461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164496907831) 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, 1111465520 + ... + 1111465667.

It is an arithmetic number, because the mean of its divisors is an integer number (31676769429).

Almost surely, 2^164496907838 is an apocalyptic number.

164496907838 is a deficient number, since it is larger than the sum of its proper divisors (88917247594).

164496907838 is a wasteful number, since it uses less digits than its factorization.

164496907838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222931226.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 164496907838 in words is "one hundred sixty-four billion, four hundred ninety-six million, nine hundred seven thousand, eight hundred thirty-eight".