1936553350656 has 80 divisors (see below), whose sum is σ = 5159759490864. Its totient is φ = 645435162624.

The previous prime is 1936553350649. The next prime is 1936553350657. The reversal of 1936553350656 is 6560533556391.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1936553350596 and 1936553350605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936553350657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12569320 + ... + 12722456.

Almost surely, 2^{1936553350656} is an apocalyptic number.

1936553350656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1936553350656 is an abundant number, since it is smaller than the sum of its proper divisors (3223206140208).

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

1936553350656 is an equidigital number, since it uses as much as digits as its factorization.

1936553350656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161391 (or 161375 counting only the distinct ones).

The product of its (nonzero) digits is 32805000, while the sum is 57.

The spelling of 1936553350656 in words is "one trillion, nine hundred thirty-six billion, five hundred fifty-three million, three hundred fifty thousand, six hundred fifty-six".