6671734515 has 12 divisors (see below), whose sum is σ = 11564339904. Its totient is φ = 3558258384.

The previous prime is 6671734429. The next prime is 6671734523. The reversal of 6671734515 is 5154371766.

6671734515 is a `hidden beast` number, since 6 + 67 + 1 + 73 + 4 + 515 = 666.

It is not a de Polignac number, because 6671734515 - 2⁸ = 6671734259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 148260767 = 6671734515 / (6 + 6 + 7 + 1 + 7 + 3 + 4 + 5 + 1 + 5).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74130339 + ... + 74130428.

It is an arithmetic number, because the mean of its divisors is an integer number (963694992).

Almost surely, 2^6671734515 is an apocalyptic number.

6671734515 is a deficient number, since it is larger than the sum of its proper divisors (4892605389).

6671734515 is a wasteful number, since it uses less digits than its factorization.

6671734515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148260778 (or 148260775 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 6671734515 is about 81680.6863034341. The cubic root of 6671734515 is about 1882.5488397566.

The spelling of 6671734515 in words is "six billion, six hundred seventy-one million, seven hundred thirty-four thousand, five hundred fifteen".