4161944652 has 12 divisors (see below), whose sum is σ = 9711204216. Its totient is φ = 1387314880.

The previous prime is 4161944651. The next prime is 4161944663. The reversal of 4161944652 is 2564491614.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4161944652² = 34643566572622802208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4161944651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173414349 + ... + 173414372.

It is an arithmetic number, because the mean of its divisors is an integer number (809267018).

Almost surely, 2^4161944652 is an apocalyptic number.

It is an amenable number.

4161944652 is an abundant number, since it is smaller than the sum of its proper divisors (5549259564).

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

4161944652 is a wasteful number, since it uses less digits than its factorization.

4161944652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346828728 (or 346828726 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 4161944652 is about 64513.1354996794. The cubic root of 4161944652 is about 1608.5408705622.

The spelling of 4161944652 in words is "four billion, one hundred sixty-one million, nine hundred forty-four thousand, six hundred fifty-two".