2161370524 has 12 divisors (see below), whose sum is σ = 3786476400. Its totient is φ = 1079520128.

The previous prime is 2161370489. The next prime is 2161370579. The reversal of 2161370524 is 4250731612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287104 + ... + 294535.

It is an arithmetic number, because the mean of its divisors is an integer number (315539700).

Almost surely, 2^2161370524 is an apocalyptic number.

It is an amenable number.

2161370524 is a deficient number, since it is larger than the sum of its proper divisors (1625105876).

2161370524 is a wasteful number, since it uses less digits than its factorization.

2161370524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582572 (or 582570 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2161370524 is about 46490.5423070112. The cubic root of 2161370524 is about 1292.9341547756.

The spelling of 2161370524 in words is "two billion, one hundred sixty-one million, three hundred seventy thousand, five hundred twenty-four".