2114178816645 has 80 divisors (see below), whose sum is σ = 4519586269440. Its totient is φ = 924460770816.

The previous prime is 2114178816619. The next prime is 2114178816671. The reversal of 2114178816645 is 5466188714112.

2114178816645 is a `hidden beast` number, since 21 + 1 + 417 + 8 + 8 + 166 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (2114178816619) and next prime (2114178816671).

It is not a de Polignac number, because 2114178816645 - 2⁹ = 2114178816133 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2114178816591 and 2114178816600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16146580 + ... + 16276989.

It is an arithmetic number, because the mean of its divisors is an integer number (56494828368).

Almost surely, 2^{2114178816645} is an apocalyptic number.

It is an amenable number.

2114178816645 is an abundant number, since it is smaller than the sum of its proper divisors (2405407452795).

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

2114178816645 is a wasteful number, since it uses less digits than its factorization.

2114178816645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32423616 (or 32423607 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The spelling of 2114178816645 in words is "two trillion, one hundred fourteen billion, one hundred seventy-eight million, eight hundred sixteen thousand, six hundred forty-five".