1963156947336 has 256 divisors, whose sum is σ = 5990354092800. Its totient is φ = 592016947200.

The previous prime is 1963156947299. The next prime is 1963156947341. The reversal of 1963156947336 is 6337496513691.

1963156947336 is a `hidden beast` number, since 1 + 9 + 6 + 3 + 156 + 9 + 473 + 3 + 6 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48111535 + ... + 48152321.

It is an arithmetic number, because the mean of its divisors is an integer number (23399820675).

Almost surely, 2^{1963156947336} 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 1963156947336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995177046400).

1963156947336 is an abundant number, since it is smaller than the sum of its proper divisors (4027197145464).

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

1963156947336 is a wasteful number, since it uses less digits than its factorization.

1963156947336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41157 (or 41147 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 63.

The spelling of 1963156947336 in words is "one trillion, nine hundred sixty-three billion, one hundred fifty-six million, nine hundred forty-seven thousand, three hundred thirty-six".