183968464905 has 24 divisors (see below), whose sum is σ = 319698442440. Its totient is φ = 97864277760.

The previous prime is 183968464859. The next prime is 183968464913. The reversal of 183968464905 is 509464869381.

183968464905 is a `hidden beast` number, since 1 + 83 + 9 + 6 + 8 + 464 + 90 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 48921034761 + 135047430144 = 221181^2 + 367488^2 .

It is not a de Polignac number, because 183968464905 - 2¹³ = 183968456713 is a prime.

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, 5237236 + ... + 5272245.

It is an arithmetic number, because the mean of its divisors is an integer number (13320768435).

Almost surely, 2^183968464905 is an apocalyptic number.

183968464905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

183968464905 is a deficient number, since it is larger than the sum of its proper divisors (135729977535).

183968464905 is a wasteful number, since it uses less digits than its factorization.

183968464905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509881 (or 10509878 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 183968464905 in words is "one hundred eighty-three billion, nine hundred sixty-eight million, four hundred sixty-four thousand, nine hundred five".