1016642805696 has 448 divisors, whose sum is σ = 3536972677120. Its totient is φ = 280215936000.

The previous prime is 1016642805617. The next prime is 1016642805701. The reversal of 1016642805696 is 6965082466101.

1016642805696 is a `hidden beast` number, since 1 + 0 + 16 + 64 + 2 + 8 + 0 + 569 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 124112961 + ... + 124121151.

Almost surely, 2^{1016642805696} is an apocalyptic number.

1016642805696 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 1016642805696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768486338560).

1016642805696 is an abundant number, since it is smaller than the sum of its proper divisors (2520329871424).

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

1016642805696 is a wasteful number, since it uses less digits than its factorization.

1016642805696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581 (or 8565 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 1016642805696 in words is "one trillion, sixteen billion, six hundred forty-two million, eight hundred five thousand, six hundred ninety-six".