1421316016 has 20 divisors (see below), whose sum is σ = 2755695400. Its totient is φ = 710168832.

The previous prime is 1421315969. The next prime is 1421316041. The reversal of 1421316016 is 6106131241.

It is a super-2 number, since 2×1421316016² = 4040278434676224512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006 + ... + 53653.

It is an arithmetic number, because the mean of its divisors is an integer number (137784770).

Almost surely, 2^1421316016 is an apocalyptic number.

1421316016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1421316016 is a deficient number, since it is larger than the sum of its proper divisors (1334379384).

1421316016 is a wasteful number, since it uses less digits than its factorization.

1421316016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61156 (or 61150 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1421316016 is about 37700.3450382089. The cubic root of 1421316016 is about 1124.3379850930.

Adding to 1421316016 its reverse (6106131241), we get a palindrome (7527447257).

The spelling of 1421316016 in words is "one billion, four hundred twenty-one million, three hundred sixteen thousand, sixteen".