280162668148 has 24 divisors (see below), whose sum is σ = 549311573664. Its totient is φ = 123904864800.

The previous prime is 280162668067. The next prime is 280162668157. The reversal of 280162668148 is 841866261082.

It is a happy number.

It is a super-2 number, since 2×280162668148² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280162668095 and 280162668104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86043418 + ... + 86046673.

It is an arithmetic number, because the mean of its divisors is an integer number (22887982236).

Almost surely, 2^280162668148 is an apocalyptic number.

It is an amenable number.

280162668148 is a deficient number, since it is larger than the sum of its proper divisors (269148905516).

280162668148 is a wasteful number, since it uses less digits than its factorization.

280162668148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172090143 (or 172090141 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

It can be divided in two parts, 28016 and 2668148, that added together give a square (2696164 = 1642²).

The spelling of 280162668148 in words is "two hundred eighty billion, one hundred sixty-two million, six hundred sixty-eight thousand, one hundred forty-eight".