6667763340 has 192 divisors, whose sum is σ = 22622035968. Its totient is φ = 1434931200.

The previous prime is 6667763329. The next prime is 6667763357. The reversal of 6667763340 is 433677666.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6667763340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 474820 + ... + 488660.

It is an arithmetic number, because the mean of its divisors is an integer number (117823104).

Almost surely, 2^6667763340 is an apocalyptic number.

6667763340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6667763340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11311017984).

6667763340 is an abundant number, since it is smaller than the sum of its proper divisors (15954272628).

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

6667763340 is a wasteful number, since it uses less digits than its factorization.

6667763340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928 (or 13926 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 48.

The square root of 6667763340 is about 81656.3735418124. The cubic root of 6667763340 is about 1882.1752530155.

The spelling of 6667763340 in words is "six billion, six hundred sixty-seven million, seven hundred sixty-three thousand, three hundred forty".