164038443696 has 30 divisors (see below), whose sum is σ = 459079811580. Its totient is φ = 54679481184.

The previous prime is 164038443677. The next prime is 164038443721. The reversal of 164038443696 is 696344830461.

It is a happy number.

164038443696 is a `hidden beast` number, since 1 + 6 + 40 + 3 + 84 + 436 + 96 = 666.

It is a super-2 number, since 2×164038443696² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569577786 + ... + 569578073.

It is an arithmetic number, because the mean of its divisors is an integer number (15302660386).

Almost surely, 2^164038443696 is an apocalyptic number.

164038443696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164038443696 is an abundant number, since it is smaller than the sum of its proper divisors (295041367884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164038443696 is a wasteful number, since it uses less digits than its factorization.

164038443696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139155873 (or 1139155864 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 164038443696 in words is "one hundred sixty-four billion, thirty-eight million, four hundred forty-three thousand, six hundred ninety-six".