1421319170816 has 36 divisors (see below), whose sum is σ = 3003973753032. Its totient is φ = 668856078336.

The previous prime is 1421319170813. The next prime is 1421319170827. The reversal of 1421319170816 is 6180719131241.

It is a super-2 number, since 2×1421319170816² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421319170813) by changing a digit.

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, 163290590 + ... + 163299293.

It is an arithmetic number, because the mean of its divisors is an integer number (83443715362).

Almost surely, 2^{1421319170816} is an apocalyptic number.

1421319170816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1421319170816 is an abundant number, since it is smaller than the sum of its proper divisors (1582654582216).

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

1421319170816 is an equidigital number, since it uses as much as digits as its factorization.

1421319170816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326589916 (or 326589902 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 1421319170816 in words is "one trillion, four hundred twenty-one billion, three hundred nineteen million, one hundred seventy thousand, eight hundred sixteen".