1649863035216 has 180 divisors, whose sum is σ = 5078564423296. Its totient is φ = 499631172480.

The previous prime is 1649863035173. The next prime is 1649863035299. The reversal of 1649863035216 is 6125303689461.

1649863035216 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 86 + 30 + 3 + 521 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27273195 + ... + 27333621.

Almost surely, 2^{1649863035216} is an apocalyptic number.

1649863035216 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 1649863035216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2539282211648).

1649863035216 is an abundant number, since it is smaller than the sum of its proper divisors (3428701388080).

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

1649863035216 is a wasteful number, since it uses less digits than its factorization.

1649863035216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62030 (or 62010 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 1649863035216 in words is "one trillion, six hundred forty-nine billion, eight hundred sixty-three million, thirty-five thousand, two hundred sixteen".