6667373340 has 72 divisors (see below), whose sum is σ = 20420775648. Its totient is φ = 1760699520.

The previous prime is 6667373333. The next prime is 6667373393. The reversal of 6667373340 is 433737666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161271 + ... + 198350.

It is an arithmetic number, because the mean of its divisors is an integer number (283621884).

Almost surely, 2^6667373340 is an apocalyptic number.

6667373340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6667373340 is an abundant number, since it is smaller than the sum of its proper divisors (13753402308).

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

6667373340 is a wasteful number, since it uses less digits than its factorization.

6667373340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359739 (or 359734 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 45.

The square root of 6667373340 is about 81653.9854508033. The cubic root of 6667373340 is about 1882.1385559192.

The spelling of 6667373340 in words is "six billion, six hundred sixty-seven million, three hundred seventy-three thousand, three hundred forty".