168502836453 has 48 divisors (see below), whose sum is σ = 267247226880. Its totient is φ = 94128338304.

The previous prime is 168502836449. The next prime is 168502836457. The reversal of 168502836453 is 354638205861.

It is an interprime number because it is at equal distance from previous prime (168502836449) and next prime (168502836457).

It is not a de Polignac number, because 168502836453 - 2² = 168502836449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168502836396 and 168502836405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168502836457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2119068 + ... + 2197146.

It is an arithmetic number, because the mean of its divisors is an integer number (5567650560).

Almost surely, 2^168502836453 is an apocalyptic number.

It is an amenable number.

168502836453 is a deficient number, since it is larger than the sum of its proper divisors (98744390427).

168502836453 is a wasteful number, since it uses less digits than its factorization.

168502836453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78426 (or 78419 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 168502836453 in words is "one hundred sixty-eight billion, five hundred two million, eight hundred thirty-six thousand, four hundred fifty-three".