248668667538 has 16 divisors (see below), whose sum is σ = 497411878080. Its totient is φ = 82877132016.

The previous prime is 248668667537. The next prime is 248668667539. The reversal of 248668667538 is 835766866842.

It is an interprime number because it is at equal distance from previous prime (248668667537) and next prime (248668667539).

It is a super-2 number, since 2×248668667538² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248668667537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3062545 + ... + 3142692.

It is an arithmetic number, because the mean of its divisors is an integer number (31088242380).

Almost surely, 2^248668667538 is an apocalyptic number.

248668667538 is an abundant number, since it is smaller than the sum of its proper divisors (248743210542).

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

248668667538 is a wasteful number, since it uses less digits than its factorization.

248668667538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211921.

The product of its digits is 557383680, while the sum is 69.

The spelling of 248668667538 in words is "two hundred forty-eight billion, six hundred sixty-eight million, six hundred sixty-seven thousand, five hundred thirty-eight".