164379734415 has 96 divisors (see below), whose sum is σ = 314701523136. Its totient is φ = 78857349120.

The previous prime is 164379734413. The next prime is 164379734459. The reversal of 164379734415 is 514437973461.

164379734415 is a `hidden beast` number, since 1 + 64 + 3 + 79 + 73 + 441 + 5 = 666.

It is not a de Polignac number, because 164379734415 - 2¹ = 164379734413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164379734413) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22710177 + ... + 22717413.

It is an arithmetic number, because the mean of its divisors is an integer number (3278140866).

Almost surely, 2^164379734415 is an apocalyptic number.

164379734415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164379734415 is a deficient number, since it is larger than the sum of its proper divisors (150321788721).

164379734415 is a wasteful number, since it uses less digits than its factorization.

164379734415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249 (or 8246 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 164379734415 in words is "one hundred sixty-four billion, three hundred seventy-nine million, seven hundred thirty-four thousand, four hundred fifteen".