1822463771616 has 264 divisors, whose sum is σ = 5496710000544. Its totient is φ = 594533675520.

The previous prime is 1822463771563. The next prime is 1822463771621. The reversal of 1822463771616 is 6161773642281.

1822463771616 is a `hidden beast` number, since 1 + 8 + 2 + 246 + 377 + 16 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 88799436 + ... + 88819956.

Almost surely, 2^{1822463771616} is an apocalyptic number.

1822463771616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1822463771616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2748355000272).

1822463771616 is an abundant number, since it is smaller than the sum of its proper divisors (3674246228928).

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

1822463771616 is an frugal number, since it uses more digits than its factorization.

1822463771616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20608 (or 20573 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 1822463771616 in words is "one trillion, eight hundred twenty-two billion, four hundred sixty-three million, seven hundred seventy-one thousand, six hundred sixteen".