1916863524 has 27 divisors (see below), whose sum is σ = 4846069137. Its totient is φ = 638866944.

The previous prime is 1916863519. The next prime is 1916863549. The reversal of 1916863524 is 4253686191.

The square root of 1916863524 is 43782.

It is a perfect power (a square), and thus also a powerful number.

1916863524 is a `hidden beast` number, since 1 + 9 + 1 + 6 + 8 + 635 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 651780900 + 1265082624 = 25530^2 + 35568^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1916863524.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 259044 + ... + 266340.

Almost surely, 2^1916863524 is an apocalyptic number.

1916863524 is the 43782-nd square number.

It is an amenable number.

1916863524 is an abundant number, since it is smaller than the sum of its proper divisors (2929205613).

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

1916863524 is an frugal number, since it uses more digits than its factorization.

1916863524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14604 (or 7302 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The cubic root of 1916863524 is about 1242.2158446154.

The spelling of 1916863524 in words is "one billion, nine hundred sixteen million, eight hundred sixty-three thousand, five hundred twenty-four".