164078281263 has 32 divisors (see below), whose sum is σ = 236978122752. Its totient is φ = 100381104000.

The previous prime is 164078281261. The next prime is 164078281271. The reversal of 164078281263 is 362182870461.

It is not a de Polignac number, because 164078281263 - 2¹ = 164078281261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164078281261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14154756 + ... + 14166342.

It is an arithmetic number, because the mean of its divisors is an integer number (7405566336).

Almost surely, 2^164078281263 is an apocalyptic number.

164078281263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164078281263 is a deficient number, since it is larger than the sum of its proper divisors (72899841489).

164078281263 is a wasteful number, since it uses less digits than its factorization.

164078281263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13695.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 164078281263 in words is "one hundred sixty-four billion, seventy-eight million, two hundred eighty-one thousand, two hundred sixty-three".