248660556 has 12 divisors (see below), whose sum is σ = 580207992. Its totient is φ = 82886848.

The previous prime is 248660549. The next prime is 248660563. The reversal of 248660556 is 655066842.

It is an interprime number because it is at equal distance from previous prime (248660549) and next prime (248660563).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×248660556² = 123664144220458272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10360845 + ... + 10360868.

It is an arithmetic number, because the mean of its divisors is an integer number (48350666).

Almost surely, 2^248660556 is an apocalyptic number.

It is an amenable number.

248660556 is an abundant number, since it is smaller than the sum of its proper divisors (331547436).

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

248660556 is a wasteful number, since it uses less digits than its factorization.

248660556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20721720 (or 20721718 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 248660556 is about 15768.9744752156. The cubic root of 248660556 is about 628.8334472072.

The spelling of 248660556 in words is "two hundred forty-eight million, six hundred sixty thousand, five hundred fifty-six".