67397816460 has 96 divisors (see below), whose sum is σ = 203282456832. Its totient is φ = 16585977600.

The previous prime is 67397816449. The next prime is 67397816471. The reversal of 67397816460 is 6461879376.

It is an interprime number because it is at equal distance from previous prime (67397816449) and next prime (67397816471).

It is a self number, because there is not a number n which added to its sum of digits gives 67397816460.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3931227 + ... + 3948333.

It is an arithmetic number, because the mean of its divisors is an integer number (2117525592).

Almost surely, 2^67397816460 is an apocalyptic number.

67397816460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67397816460 is an abundant number, since it is smaller than the sum of its proper divisors (135884640372).

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

67397816460 is a wasteful number, since it uses less digits than its factorization.

67397816460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22183 (or 22181 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 67397816460 in words is "sixty-seven billion, three hundred ninety-seven million, eight hundred sixteen thousand, four hundred sixty".