1916411894 has 8 divisors (see below), whose sum is σ = 2876633760. Its totient is φ = 957533976.

The previous prime is 1916411881. The next prime is 1916411897. The reversal of 1916411894 is 4981146191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916411897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332414 + ... + 338129.

It is an arithmetic number, because the mean of its divisors is an integer number (359579220).

Almost surely, 2^1916411894 is an apocalyptic number.

1916411894 is a deficient number, since it is larger than the sum of its proper divisors (960221866).

1916411894 is a wasteful number, since it uses less digits than its factorization.

1916411894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671974.

The product of its digits is 62208, while the sum is 44.

The square root of 1916411894 is about 43776.8419829480. The cubic root of 1916411894 is about 1242.1182779392.

The spelling of 1916411894 in words is "one billion, nine hundred sixteen million, four hundred eleven thousand, eight hundred ninety-four".