2161962524 has 6 divisors (see below), whose sum is σ = 3783434424. Its totient is φ = 1080981260.

The previous prime is 2161962511. The next prime is 2161962527. The reversal of 2161962524 is 4252691612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161962527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270245312 + ... + 270245319.

It is an arithmetic number, because the mean of its divisors is an integer number (630572404).

Almost surely, 2^2161962524 is an apocalyptic number.

It is an amenable number.

2161962524 is a deficient number, since it is larger than the sum of its proper divisors (1621471900).

2161962524 is a wasteful number, since it uses less digits than its factorization.

2161962524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540490635 (or 540490633 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 2161962524 is about 46496.9087574647. The cubic root of 2161962524 is about 1293.0521890104.

The spelling of 2161962524 in words is "two billion, one hundred sixty-one million, nine hundred sixty-two thousand, five hundred twenty-four".