2066078651 has 8 divisors (see below), whose sum is σ = 2542866144. Its totient is φ = 1634699520.

The previous prime is 2066078617. The next prime is 2066078657. The reversal of 2066078651 is 1568706602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2066078651 - 2²⁶ = 1998969787 is a prime.

It is a super-3 number, since 3×2066078651³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2066078599 and 2066078608.

It is not an unprimeable number, because it can be changed into a prime (2066078657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11351990 + ... + 11352171.

It is an arithmetic number, because the mean of its divisors is an integer number (317858268).

Almost surely, 2^2066078651 is an apocalyptic number.

2066078651 is a deficient number, since it is larger than the sum of its proper divisors (476787493).

2066078651 is a wasteful number, since it uses less digits than its factorization.

2066078651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22704181.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2066078651 is about 45454.1378864455. The cubic root of 2066078651 is about 1273.6466277166.

The spelling of 2066078651 in words is "two billion, sixty-six million, seventy-eight thousand, six hundred fifty-one".