495167743956 has 12 divisors (see below), whose sum is σ = 1155391402592. Its totient is φ = 165055914648.

The previous prime is 495167743919. The next prime is 495167743999. The reversal of 495167743956 is 659347761594.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20631989320 + ... + 20631989343.

Almost surely, 2^495167743956 is an apocalyptic number.

It is an amenable number.

495167743956 is an abundant number, since it is smaller than the sum of its proper divisors (660223658636).

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

495167743956 is a wasteful number, since it uses less digits than its factorization.

495167743956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41263978670 (or 41263978668 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 66.

The spelling of 495167743956 in words is "four hundred ninety-five billion, one hundred sixty-seven million, seven hundred forty-three thousand, nine hundred fifty-six".