165134247456 has 24 divisors (see below), whose sum is σ = 433477399824. Its totient is φ = 55044749120.

The previous prime is 165134247419. The next prime is 165134247511. The reversal of 165134247456 is 654742431561.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860074110 + ... + 860074301.

It is an arithmetic number, because the mean of its divisors is an integer number (18061558326).

Almost surely, 2^165134247456 is an apocalyptic number.

165134247456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165134247456 is an abundant number, since it is smaller than the sum of its proper divisors (268343152368).

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

165134247456 is a wasteful number, since it uses less digits than its factorization.

165134247456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720148424 (or 1720148416 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 165134247456 in words is "one hundred sixty-five billion, one hundred thirty-four million, two hundred forty-seven thousand, four hundred fifty-six".