67495764336 has 320 divisors, whose sum is σ = 235154949120. Its totient is φ = 16110673920.

The previous prime is 67495764319. The next prime is 67495764353. The reversal of 67495764336 is 63346759476.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67495764319) and next prime (67495764353).

It is a self number, because there is not a number n which added to its sum of digits gives 67495764336.

It is a congruent number.

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, 11192170 + ... + 11198198.

It is an arithmetic number, because the mean of its divisors is an integer number (734859216).

Almost surely, 2^67495764336 is an apocalyptic number.

67495764336 is a gapful number since it is divisible by the number (66) 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 67495764336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117577474560).

67495764336 is an abundant number, since it is smaller than the sum of its proper divisors (167659184784).

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

67495764336 is a wasteful number, since it uses less digits than its factorization.

67495764336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304 (or 6298 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 60.

The spelling of 67495764336 in words is "sixty-seven billion, four hundred ninety-five million, seven hundred sixty-four thousand, three hundred thirty-six".