196264323805 has 24 divisors (see below), whose sum is σ = 259809051096. Its totient is φ = 142222270080.

The previous prime is 196264323793. The next prime is 196264323877. The reversal of 196264323805 is 508323462691.

It can be written as a sum of positive squares in 4 ways, for example, as 5307559609 + 190956764196 = 72853^2 + 436986^2 .

It is not a de Polignac number, because 196264323805 - 2¹³ = 196264315613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417982 + ... + 753151.

It is an arithmetic number, because the mean of its divisors is an integer number (10825377129).

Almost surely, 2^196264323805 is an apocalyptic number.

It is an amenable number.

196264323805 is a deficient number, since it is larger than the sum of its proper divisors (63544727291).

196264323805 is a wasteful number, since it uses less digits than its factorization.

196264323805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171437 (or 1171426 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 196264323805 in words is "one hundred ninety-six billion, two hundred sixty-four million, three hundred twenty-three thousand, eight hundred five".