224352771401661 has 12 divisors (see below), whose sum is σ = 347975727072192. Its totient is φ = 128201583658008.

The previous prime is 224352771401659. The next prime is 224352771401663. The reversal of 224352771401661 is 166104177253422.

It is an interprime number because it is at equal distance from previous prime (224352771401659) and next prime (224352771401663).

It is not a de Polignac number, because 224352771401661 - 2¹ = 224352771401659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224352771401663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763104664485 + ... + 763104664778.

It is an arithmetic number, because the mean of its divisors is an integer number (28997977256016).

Almost surely, 2^{224352771401661} is an apocalyptic number.

224352771401661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224352771401661 is a deficient number, since it is larger than the sum of its proper divisors (123622955670531).

224352771401661 is a wasteful number, since it uses less digits than its factorization.

224352771401661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526209329280 (or 1526209329273 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 224352771401661 in words is "two hundred twenty-four trillion, three hundred fifty-two billion, seven hundred seventy-one million, four hundred one thousand, six hundred sixty-one".