2164701252 has 48 divisors (see below), whose sum is σ = 5805942912. Its totient is φ = 614906880.

The previous prime is 2164701211. The next prime is 2164701257. The reversal of 2164701252 is 2521074612.

It is not an unprimeable number, because it can be changed into a prime (2164701257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59949 + ... + 89012.

It is an arithmetic number, because the mean of its divisors is an integer number (120957144).

Almost surely, 2^2164701252 is an apocalyptic number.

It is an amenable number.

2164701252 is an abundant number, since it is smaller than the sum of its proper divisors (3641241660).

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

2164701252 is a wasteful number, since it uses less digits than its factorization.

2164701252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149148 (or 149146 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2164701252 is about 46526.3500825070. The cubic root of 2164701252 is about 1293.5979622592.

Adding to 2164701252 its reverse (2521074612), we get a palindrome (4685775864).

The spelling of 2164701252 in words is "two billion, one hundred sixty-four million, seven hundred one thousand, two hundred fifty-two".