164029067685 has 64 divisors (see below), whose sum is σ = 347755253760. Its totient is φ = 71724502080.

The previous prime is 164029067677. The next prime is 164029067701. The reversal of 164029067685 is 586760920461.

164029067685 is a `hidden beast` number, since 1 + 6 + 402 + 90 + 6 + 76 + 85 = 666.

It is not a de Polignac number, because 164029067685 - 2³ = 164029067677 is a prime.

It is a super-2 number, since 2×164029067685² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3751651 + ... + 3795120.

It is an arithmetic number, because the mean of its divisors is an integer number (5433675840).

Almost surely, 2^164029067685 is an apocalyptic number.

164029067685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164029067685 is an abundant number, since it is smaller than the sum of its proper divisors (183726186075).

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

164029067685 is a wasteful number, since it uses less digits than its factorization.

164029067685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546815 (or 7546809 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 164029067685 in words is "one hundred sixty-four billion, twenty-nine million, sixty-seven thousand, six hundred eighty-five".