1896917796664 has 48 divisors (see below), whose sum is σ = 3975715560600. Its totient is φ = 847621177920.

The previous prime is 1896917796629. The next prime is 1896917796743. The reversal of 1896917796664 is 4666977196981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16549887 + ... + 16664110.

Almost surely, 2^{1896917796664} is an apocalyptic number.

It is an amenable number.

1896917796664 is an abundant number, since it is smaller than the sum of its proper divisors (2078797763936).

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

1896917796664 is a wasteful number, since it uses less digits than its factorization.

1896917796664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33214084 (or 33214069 counting only the distinct ones).

The product of its digits is 1481421312, while the sum is 79.

The spelling of 1896917796664 in words is "one trillion, eight hundred ninety-six billion, nine hundred seventeen million, seven hundred ninety-six thousand, six hundred sixty-four".