2116432402056 has 96 divisors (see below), whose sum is σ = 6551325181440. Its totient is φ = 604652235264.

The previous prime is 2116432402037. The next prime is 2116432402069. The reversal of 2116432402056 is 6502042346112.

2116432402056 is a `hidden beast` number, since 2 + 1 + 1 + 643 + 2 + 4 + 0 + 2 + 0 + 5 + 6 = 666.

It is a super-2 number, since 2×2116432402056² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2116432402056.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7367145 + ... + 7649031.

It is an arithmetic number, because the mean of its divisors is an integer number (68242970640).

Almost surely, 2^{2116432402056} is an apocalyptic number.

It is an amenable number.

2116432402056 is an abundant number, since it is smaller than the sum of its proper divisors (4434892779384).

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

2116432402056 is a wasteful number, since it uses less digits than its factorization.

2116432402056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296803 (or 296796 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 2116432402056 its reverse (6502042346112), we get a palindrome (8618474748168).

The spelling of 2116432402056 in words is "two trillion, one hundred sixteen billion, four hundred thirty-two million, four hundred two thousand, fifty-six".