6461167061968 has 40 divisors (see below), whose sum is σ = 13270922338752. Its totient is φ = 3036872498688.

The previous prime is 6461167061963. The next prime is 6461167061983. The reversal of 6461167061968 is 8691607611646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461167061963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14136780 + ... + 14586667.

Almost surely, 2^{6461167061968} is an apocalyptic number.

6461167061968 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6461167061968 is an abundant number, since it is smaller than the sum of its proper divisors (6809755276784).

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

6461167061968 is a wasteful number, since it uses less digits than its factorization.

6461167061968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28724299 (or 28724293 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 6461167061968 in words is "six trillion, four hundred sixty-one billion, one hundred sixty-seven million, sixty-one thousand, nine hundred sixty-eight".