2066078461824 has 160 divisors (see below), whose sum is σ = 6621586919640. Its totient is φ = 635716408320.

The previous prime is 2066078461807. The next prime is 2066078461847. The reversal of 2066078461824 is 4281648706602.

It is a happy number.

2066078461824 is a `hidden beast` number, since 2 + 0 + 6 + 607 + 8 + 4 + 6 + 1 + 8 + 24 = 666.

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 polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7529622 + ... + 7799189.

Almost surely, 2^{2066078461824} is an apocalyptic number.

2066078461824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2066078461824 is an abundant number, since it is smaller than the sum of its proper divisors (4555508457816).

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

2066078461824 is a wasteful number, since it uses less digits than its factorization.

2066078461824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15328850 (or 15328829 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 2066078461824 in words is "two trillion, sixty-six billion, seventy-eight million, four hundred sixty-one thousand, eight hundred twenty-four".