1896218816 has 28 divisors (see below), whose sum is σ = 3850321992. Its totient is φ = 926059008.

The previous prime is 1896218771. The next prime is 1896218837. The reversal of 1896218816 is 6188126981.

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, 341765 + ... + 347268.

Almost surely, 2^1896218816 is an apocalyptic number.

1896218816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1896218816 is an abundant number, since it is smaller than the sum of its proper divisors (1954103176).

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

1896218816 is an equidigital number, since it uses as much as digits as its factorization.

1896218816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689088 (or 689078 counting only the distinct ones).

The product of its digits is 331776, while the sum is 50.

The square root of 1896218816 is about 43545.5946795999. The cubic root of 1896218816 is about 1237.7401643322.

The spelling of 1896218816 in words is "one billion, eight hundred ninety-six million, two hundred eighteen thousand, eight hundred sixteen".