218026701 has 16 divisors (see below), whose sum is σ = 323339520. Its totient is φ = 145199520.

The previous prime is 218026687. The next prime is 218026709. The reversal of 218026701 is 107620812.

It is not a de Polignac number, because 218026701 - 2¹⁰ = 218025677 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218026709) 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, 26121 + ... + 33441.

It is an arithmetic number, because the mean of its divisors is an integer number (20208720).

Almost surely, 2^218026701 is an apocalyptic number.

It is an amenable number.

218026701 is a deficient number, since it is larger than the sum of its proper divisors (105312819).

218026701 is a wasteful number, since it uses less digits than its factorization.

218026701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433 (or 8427 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 218026701 is about 14765.7272425032. The cubic root of 218026701 is about 601.8707361816.

The spelling of 218026701 in words is "two hundred eighteen million, twenty-six thousand, seven hundred one".