1916803023816 has 64 divisors (see below), whose sum is σ = 5086543884480. Its totient is φ = 599850291200.

The previous prime is 1916803023809. The next prime is 1916803023841. The reversal of 1916803023816 is 6183203086191.

It is a super-2 number, since 2×1916803023816² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5694306 + ... + 6021521.

It is an arithmetic number, because the mean of its divisors is an integer number (79477248195).

Almost surely, 2^{1916803023816} is an apocalyptic number.

It is an amenable number.

1916803023816 is an abundant number, since it is smaller than the sum of its proper divisors (3169740860664).

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

1916803023816 is a wasteful number, since it uses less digits than its factorization.

1916803023816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716254 (or 11716250 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 1916803023816 in words is "one trillion, nine hundred sixteen billion, eight hundred three million, twenty-three thousand, eight hundred sixteen".