220551596149 has 2 divisors, whose sum is σ = 220551596150. Its totient is φ = 220551596148.

The previous prime is 220551596131. The next prime is 220551596183. The reversal of 220551596149 is 941695155022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128586788100 + 91964808049 = 358590^2 + 303257^2 .

It is a cyclic number.

It is not a de Polignac number, because 220551596149 - 2²⁵ = 220518041717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220551596119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110275798074 + 110275798075.

It is an arithmetic number, because the mean of its divisors is an integer number (110275798075).

Almost surely, 2^220551596149 is an apocalyptic number.

It is an amenable number.

220551596149 is a deficient number, since it is larger than the sum of its proper divisors (1).

220551596149 is an equidigital number, since it uses as much as digits as its factorization.

220551596149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 220551596149 in words is "two hundred twenty billion, five hundred fifty-one million, five hundred ninety-six thousand, one hundred forty-nine".