1420783787016 has 192 divisors, whose sum is σ = 4252175403840. Its totient is φ = 424969920000.

The previous prime is 1420783786999. The next prime is 1420783787039. The reversal of 1420783787016 is 6107873870241.

1420783787016 is a `hidden beast` number, since 1 + 420 + 7 + 83 + 78 + 70 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77625066 + ... + 77643366.

It is an arithmetic number, because the mean of its divisors is an integer number (22146746895).

Almost surely, 2^{1420783787016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420783787016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2126087701920).

1420783787016 is an abundant number, since it is smaller than the sum of its proper divisors (2831391616824).

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

1420783787016 is a wasteful number, since it uses less digits than its factorization.

1420783787016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19588 (or 19581 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The spelling of 1420783787016 in words is "one trillion, four hundred twenty billion, seven hundred eighty-three million, seven hundred eighty-seven thousand, sixteen".