1856195196152 has 512 divisors, whose sum is σ = 4347592704000. Its totient is φ = 733489344000.

The previous prime is 1856195196151. The next prime is 1856195196161. The reversal of 1856195196152 is 2516915916581.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 1856195196091 and 1856195196100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1856195196151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18021312533 + ... + 18021312635.

It is an arithmetic number, because the mean of its divisors is an integer number (8491392000).

Almost surely, 2^{1856195196152} 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 1856195196152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173796352000).

1856195196152 is an abundant number, since it is smaller than the sum of its proper divisors (2491397507848).

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

1856195196152 is a wasteful number, since it uses less digits than its factorization.

1856195196152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 379 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 59.

The spelling of 1856195196152 in words is "one trillion, eight hundred fifty-six billion, one hundred ninety-five million, one hundred ninety-six thousand, one hundred fifty-two".