2164435936 has 24 divisors (see below), whose sum is σ = 4589021304. Its totient is φ = 998970240.

The previous prime is 2164435927. The next prime is 2164435957. The reversal of 2164435936 is 6395344612.

It is a junction number, because it is equal to n+sod(n) for n = 2164435892 and 2164435901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601070 + ... + 2601901.

It is an arithmetic number, because the mean of its divisors is an integer number (191209221).

Almost surely, 2^2164435936 is an apocalyptic number.

2164435936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2164435936 is an abundant number, since it is smaller than the sum of its proper divisors (2424585368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2164435936 is a wasteful number, since it uses less digits than its factorization.

2164435936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202994 (or 5202986 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 2164435936 is about 46523.4987506314. The cubic root of 2164435936 is about 1293.5451102765.

The spelling of 2164435936 in words is "two billion, one hundred sixty-four million, four hundred thirty-five thousand, nine hundred thirty-six".