164166534736 has 40 divisors (see below), whose sum is σ = 318558501824. Its totient is φ = 81958003200.

The previous prime is 164166534703. The next prime is 164166534737. The reversal of 164166534736 is 637435661461.

It is a super-2 number, since 2×164166534736² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164166534737) 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, 47404141 + ... + 47407603.

Almost surely, 2^164166534736 is an apocalyptic number.

164166534736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164166534736 is a deficient number, since it is larger than the sum of its proper divisors (154391967088).

164166534736 is a wasteful number, since it uses less digits than its factorization.

164166534736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139 (or 7133 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 52.

The spelling of 164166534736 in words is "one hundred sixty-four billion, one hundred sixty-six million, five hundred thirty-four thousand, seven hundred thirty-six".