163087385756 has 36 divisors (see below), whose sum is σ = 294768427800. Its totient is φ = 78947107200.

The previous prime is 163087385729. The next prime is 163087385759. The reversal of 163087385756 is 657583780361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 163087385695 and 163087385704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163087385759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788270 + ... + 973418.

Almost surely, 2^163087385756 is an apocalyptic number.

It is an amenable number.

163087385756 is a deficient number, since it is larger than the sum of its proper divisors (131681042044).

163087385756 is a wasteful number, since it uses less digits than its factorization.

163087385756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185366 (or 185323 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 163087385756 in words is "one hundred sixty-three billion, eighty-seven million, three hundred eighty-five thousand, seven hundred fifty-six".