1894662016 has 64 divisors (see below), whose sum is σ = 4088221200. Its totient is φ = 869437440.

The previous prime is 1894661981. The next prime is 1894662037. The reversal of 1894662016 is 6102664981.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294676 + ... + 301036.

Almost surely, 2^1894662016 is an apocalyptic number.

1894662016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894662016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044110600).

1894662016 is an abundant number, since it is smaller than the sum of its proper divisors (2193559184).

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

1894662016 is a wasteful number, since it uses less digits than its factorization.

1894662016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567 (or 6555 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1894662016 is about 43527.7154925457. The cubic root of 1894662016 is about 1237.4013424189.

The spelling of 1894662016 in words is "one billion, eight hundred ninety-four million, six hundred sixty-two thousand, sixteen".