248041657661 has 16 divisors (see below), whose sum is σ = 293304560640. Its totient is φ = 205238517120.

The previous prime is 248041657657. The next prime is 248041657727. The reversal of 248041657661 is 166756140842.

It is not a de Polignac number, because 248041657661 - 2² = 248041657657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248041657651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036820 + ... + 1253426.

It is an arithmetic number, because the mean of its divisors is an integer number (18331535040).

Almost surely, 2^248041657661 is an apocalyptic number.

It is an amenable number.

248041657661 is a deficient number, since it is larger than the sum of its proper divisors (45262902979).

248041657661 is a wasteful number, since it uses less digits than its factorization.

248041657661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222284.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 248041657661 in words is "two hundred forty-eight billion, forty-one million, six hundred fifty-seven thousand, six hundred sixty-one".