2113650164 has 6 divisors (see below), whose sum is σ = 3698887794. Its totient is φ = 1056825080.

The previous prime is 2113650157. The next prime is 2113650169. The reversal of 2113650164 is 4610563112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2103139600 + 10510564 = 45860^2 + 3242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113650169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264206267 + ... + 264206274.

It is an arithmetic number, because the mean of its divisors is an integer number (616481299).

Almost surely, 2^2113650164 is an apocalyptic number.

It is an amenable number.

2113650164 is a deficient number, since it is larger than the sum of its proper divisors (1585237630).

2113650164 is a wasteful number, since it uses less digits than its factorization.

2113650164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528412545 (or 528412543 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2113650164 is about 45974.4512093402. The cubic root of 2113650164 is about 1283.3477963775.

The spelling of 2113650164 in words is "two billion, one hundred thirteen million, six hundred fifty thousand, one hundred sixty-four".