676018665 has 24 divisors (see below), whose sum is σ = 1339161408. Its totient is φ = 309036960.

The previous prime is 676018663. The next prime is 676018687. The reversal of 676018665 is 566810676.

676018665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 676018665 - 2¹ = 676018663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 676018665.

It is not an unprimeable number, because it can be changed into a prime (676018661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072731 + ... + 1073360.

It is an arithmetic number, because the mean of its divisors is an integer number (55798392).

Almost surely, 2^676018665 is an apocalyptic number.

It is an amenable number.

676018665 is a deficient number, since it is larger than the sum of its proper divisors (663142743).

676018665 is a wasteful number, since it uses less digits than its factorization.

676018665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146109 (or 2146106 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 676018665 is about 26000.3589398300. The cubic root of 676018665 is about 877.6463729333.

It can be divided in two parts, 6760 and 18665, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 676018665 in words is "six hundred seventy-six million, eighteen thousand, six hundred sixty-five".